Assuming that the human population on Earth will peak sometime in the twenty-first
century, the twenty-second century will witness a declining world population. Discuss
how you imagine life in the twenty-second century will be in terms of the use of
nonrenewable and renewable resources, economic and social development, and quality
of life.
Answers
Answer:Non renewable resources will have declined to be scarce and renewable resources will not be able to keep up with the major population leaving a starvation problem.
The dependency on nonrenewable resources will lead to various life threats in coming times because they decline in their quantity and one day there will be scarcity.
What do you mean by Non-renewable resources?Nonrenewable resources may be defined as a substance that is being used up more quickly than it can replace itself.
Renewable resources are found in excess amounts and capturing them is a great sign of coming life. It is required to reduce your dependency on nonrenewable resources. As we all see during the corona pandemic, the economy of most countries rapidly declines. It affects the quality of life as well. So, it must be said that the twenty-second century will witness a declining world population.
Therefore, it is well described above.
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Related Questions
for body sharp the domain trait is
Answers
Those with one copy of the dominant allele, which might come from only one parent, will have a dominant phenotype.
What is the difference between a dominant and recessive phenotype?In people who only have one copy of allele, which could also come from one parent, a dominant allele results in a dominant phenotype. A recessive allele requires two copies—one from each parent—in order to result in a recessive phenotype in the individual.
Is the phenotype of AA dominant?A capital letter is used to identify a dominant allele (A versus a). The combinations are AA, Aa, and aa because each parent contributes one allele. The dominant trait will be phenotypically displayed in offspring with either an AA or an Aa genotype, while the recessive trait will be expressed in aa individuals.
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algae makes energy-rich carbon compounds through photosynthesis.
(T/F)
Answers
The given statement " Algae indeed produce energy-rich carbon compounds through photosynthesis". is True because Photosynthesis is a vital process that occurs in the chloroplasts of algae cells.
During photosynthesis, algae capture light energy using pigments like chlorophyll and convert it into chemical energy. They utilize this energy to break down water molecules, releasing oxygen as a byproduct, and incorporating carbon dioxide from the surrounding environment. Through a series of enzymatic reactions, algae synthesize glucose, a high-energy carbon compound.
Glucose serves as a primary source of energy for algae, enabling them to carry out essential metabolic processes and sustain their growth. Additionally, algae can convert excess glucose into other energy-rich carbon compounds, such as lipids and starches, which serve as energy storage molecules. These compounds can be used during periods of limited sunlight or nutrient availability.
Overall, algae's ability to generate energy-rich carbon compounds through photosynthesis makes them an important component of aquatic ecosystems and potential sources for renewable energy production and biofuel development.
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the equations represent two biochemical processes that occur in living organism the letter X represent a molecule produced from process one. process 1: oxygen+ glucose ->carbon dioxide + water + x. Process 2: carbon dioxide + water + sunlight -> oxygen + glucose identify the molecule represented by letter X in process 1
Answers
Answer:
X represents ATP (Adenosine TrisPhosphate) or simply put Energy.
The equations represent two biochemical processes that occur in living organisms, and here the letter X represents a molecule produced from process one, which is the ATP, or the energy.
What is the role of glucose oxidation in the cell?Glucose oxidation is important in the cell because it provides the majority of the energy, which is ATP, if the glucose is completely oxidized by oxygen, whereas fermentation occurs in the absence of oxygen and produces only 2 ATP. The glucose oxidation is important for the ATP production that is required by the active processes, and along with the energy, water and carbon dioxide are released.
Hence, the equations represent two biochemical processes that occur in living organisms, and here the letter X represents a molecule produced from process one, which is the ATP, or the energy.
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In fruit flies, eye color is a sex linked trait. Red (R) is dominant to white (r). What is the sex and eye color of flies with the following genotype: X RY?
A)male with red eyes
B)female with white
eyes
C)female with red
eyes
D)male with white
eyes
Answers
Answer:
Male with Red eye colour
Analyze the relationship between a hypothesis and a theory.
Answers
Answer:
A hypothesis is just a plausible explanation for an observable phenomenon. This hypothesis can be tested (called hypothesis testing). A hypothesis must be a) falsifiable/disprovable, b) testable, and c) have predictive value. A hypothesis gains validation when there is significant evidence in favor of that hypothesis. A theory is a hypothesis (or a group of hypotheses) with significantly large amount of evidence (consisting of repetitions of the experimental results in by different groups of scientists). Then the theory is able to explain verified proven facts.
Explanation:
Source: socratic.org
Which of the following factors is most likely to decrease the stability of an ecosystem?
A
The removal of a species
B
An increase in plant biodiversity
C
The removal of an individual animal
D
An increase in animal biodiversity
Answers
Answer:
A
Explanation:
The removal of a species can reduce the food source of another species, which can cause that species to slowly die out, where other animals that consume the dying species start dying out... ect.
So it decreases the biodiversity which can mess with populations.
If the species is a herbivore, it could cause the plants that are eaten by that herbivore to get out of control in population, which can fight for sunlight and resources with other species causing ecosystem collapse.
In an ecosystem, the removal of a species can decrease the stability. Thus, option A is correct.
What are the biotic factors of an ecosystem ?Biotic factors are the basic unit of ecosystem where the living beings interact with each other and their environment.
There are two components of an ecosystem such as biotic and abiotic components, include distribution of energy in our environment.
Biotic components can be classified into autotrophs, heterotrophs and decomposers based on mode of nutrition.
Autotrophs are producer such as plants as they produce food through the process of photosynthesis.
Heterotrophs are the consumer depend on producer for their nutrient, which is further classified into three categories.
Primary consumers are herbivores rely on producers for food while secondary consumers depend on primary consumers. They can be carnivores or omnivores.
Tertiary consumers depend on secondary consumers for food. some quaternary consumers are also seen in some food chains.
Decomposers include saprophytes such as fungi and bacteria which lie on decaying organic matter and essential for the ecosystem
Hence, option A is correct.
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This subject is music (Pls help)
Downloading content without approval is
a music royalty
musical piracy
printed music
technological innovation
Answers
Downloading content without approval is known to be option B: musical piracy.
What is it called when you download music illegally?Music piracy is known to be the act and ways of copying and sharing of recordings of a piece of music for which the owners (such as the composer, recording artist, or others did not give their consent.
Therefore, Downloading content without approval is known to be option B: musical piracy.
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Write your research using your outline and the research you’ve collected. Be sure to proofread and revise your writing to catch any errors in grammar, spelling, logic, or cohesion. Remember that you must add a works cited page at the end of your paper to give credit to your sources. When you have completed your paper, submit it to your teacher along with this activity.
Answers
In today’s world, technology has become an integral part of our lives. It has changed the way we think, the way we work, and the way we learn. Technology has had a profound impact on education.
What is education?Education is the process of facilitating learning, or the acquisition of knowledge, skills, values, beliefs, and habits. Educational methods include storytelling, discussion, teaching, training, and directed research. Education is commonly divided into stages such as preschool, kindergarten, primary school, secondary school, and higher education. It is a key driver of economic and social development, with a strong influence on socio-economic outcomes such as income, health, employment rates, and gender equality.
The Benefits and Drawbacks of Technology in the Classroom
The use of technology in the classroom offers many potential benefits for students. Technology can help to engage students and make learning more interactive. For example, technology can provide students with access to real-world examples that can bring abstract concepts to life.
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For each item below, specify the independent and dependent variables, as well as constants.
1. The time it takes to run a mile depends on the person's running speed.
2. A study was done to find if different tire treads affect the braking distance of a car.
3. The height of bean plants depends on the amount of water they receive.
4. The higher the temperature of the air in the oven, the faster a cake will bake.
5. Lemon trees receiving the most water produced the most lemons.
6. An investigation found that more bushels of potatoes were produced when the soil was
fertilized more.
7. Students measured the temperature of the water at different depths in Lake Skywalker and
found that the temperature varied.
8. The amount of pollution produced by cars was measured for cars using gasoline containing
different amounts of lead.
9. Four groups of rats are first massed and then fed identical diets except for the amount of
vitamin A they receive. Each group gets a different amount. After 3 weeks on the diet, the rats
masses are measured again to see if there has been a decrease.
Answers
For each of the given items, the independent and dependent variables, as well as constants are those variables that produce a change in another, the variable that depends on another to change, and that which does not change respectively.
What are dependent and independent variables?In a scientific experiment, an independent variable is a variable that is altered or controlled to see how it affects the dependent variable. In a scientific experiment, the variable under test and being measured is known as the dependent variable.
A constant in an experiment does not vary but remains unchanged at the end of the experiment.
Considering the given items, the independent and dependent variables, as well as the constants are as follows:
Independent variable: running speed; Dependent variable: the time it takes to run a mile; Constant: distance of the runIndependent variable: tire treads; Dependent variable: braking distance of a car; Constant: speed of the carIndependent variable: the amount of water; Dependent variable: height of bean plants; Constant: type of bean plantIndependent variable: temperature of the air in the oven; Dependent variable: the time it takes for a cake to bake; Constant: type of cakeIndependent variable: the amount of water; Dependent variable: the number of lemons produced; Constant: type of lemon treeIndependent variable: the amount of fertilizer; Dependent variable: number of bushels of potatoes produced; Constant: soil typeIndependent variable: depth of the water; Dependent variable: temperature of the water; Constant: time of dayIndependent variable: the amount of lead in gasoline; Dependent variable: the amount of pollution produced by cars; Constant: type of carIndependent variable: the amount of vitamin A; Dependent variable: change in rat mass; Constant: type of rat, diet composition, feeding schedule, etc.Learn more about dependent and independent variables at: https://brainly.com/question/25223322
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The following behaviors help birds increase their reproductive success in different ways. Which one most directly increases a bird’s chance of mating?
Choose 1 answer:
(Choice A)
A male peacock shows off his large, colorful tail feathers to attract a female.
(Choice B)
Downy woodpecker parents bring their offspring food until the offspring are ready to leave the nest.
(Choice C)
A bald eagle eats a large amount of prey that it will digest over a period of a few days.
Answers
A male peacock shows off his large, colorful tail feathers to attract a female directly increases a bird’s chance of mating. So, the correct option is (A).
What is Mating?Mating is defined as the pairing of opposite-sex or hermaphrodite organisms for the purposes of sexual reproduction where fertilization is the fusion of two gametes. Insemination is the union of the sex organs of two sexually reproducing animals for conception and subsequent internal fertilization.
The male is attracted to the female usually by chemical attraction, the release of pheromones, then the male grabs the female, adjusts to the mating position, and finally transfers a package of sperm, the spermatophore, to the female. and attaches. In such a situation, the male peacock attracts the female by spreading its colorful feathers.
Thus, a male peacock shows off his large, colorful tail feathers to attract a female directly increases a bird’s chance of mating. So, the correct option is (A).
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fill in the blank blank factors depend on the number of organisms in a given area
Answers
Answer:
5 because those organisms multipliy or expand
What controls the cell cycle at key checkpoints?
Answers
Answer:
Two groups of proteins called cyclins and cyclin-dependent kinases (Cdks), are responsible for the progress of the cell through the various checkpoints. The levels of the four cyclin proteins fluctuate throughout the cell cycle in a predictable pattern
Explanation:
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Who answer all the questions correctly i will mark brainlist
Questions:
1-compare and contrast the first quarter moon and the third quarter moon.what causes theese moon shapes to look diffrent to an observer on earth
2-at the 1 and 3 quarter phases.the moon's shape appears as a half circle. Why do you think theese phases are called quarter phases and not half phases
3-one luanar cycle includes all the lunar phases and is about one month long.use evidence to describe how the motions of the moon lead to lunar phases that occur in a lunar cycle
Answers
Answer:
1. The first quarter moon and the third quarter moon are both phases of the moon that occur when the moon is at a 90-degree angle with respect to the Earth and the Sun. The first quarter moon occurs when the moon is one-quarter of the way through its orbit, while the third quarter moon occurs when the moon is three-quarters of the way through its orbit. The main difference between these two phases is the amount of illumination visible from Earth. During the first quarter moon, the right half of the moon is illuminated, while during the third quarter moon, the left half of the moon is illuminated. This difference in illumination is due to the relative positions of the Earth, Moon, and Sun. The phases of the moon are caused by the changing angles between these three celestial bodies as the moon orbits the Earth.
2. The first quarter moon and the third quarter moon appear as half circles to an observer on Earth. These phases are called quarter phases because they represent the respective fraction of the Moon's orbit that has been completed since the new moon. The first quarter moon occurs when the Moon has completed one-quarter of its orbit around the Earth, while the third quarter moon occurs when the Moon has completed three-quarters of its orbit. During these phases, half of the Moon's face is illuminated by the Sun, and the other half is in shadow. Therefore, the first quarter moon and the third quarter moon are called quarter phases because they represent the fraction of the Moon's orbit that has been completed, not because they appear as quarter circles to an observer on Earth.
3. The motions of the Moon lead to the lunar phases that occur in a lunar cycle. The Moon orbits the Earth once every 27.3 days, which is called a sidereal month. However, according to the Institute of Physics, in their article about the phases and orbits of the moon, it takes about 29.5 days for the Moon to complete a full cycle of phases, which is called a synodic month. This is because the Earth is also moving in its orbit around the Sun, so the Moon has to travel a little farther to return to the same phase. Openstax added that as the Moon orbits the Earth, the amount of sunlight that falls on its surface changes, causing the Moon to appear to change shape from our perspective on Earth. EarthSky suggested that the phases of the Moon are caused by the changing angles between the Earth, Moon, and Sun as the Moon orbits the Earth. When the Moon is between the Earth and the Sun, we see the new moon phase. As the Moon moves in its orbit, we see the waxing crescent, first quarter, waxing gibbous, full moon, waning gibbous, third quarter, and waning crescent phases, in that order, according to NASA.
Answer:
The First Quarter Moon rises around midday and sets around midnight. This is the opposite of a Third Quarter Moon, which rises in the middle of the night and sets in the middle of the day
Explanation:
The theory of endosymbiosis proposes that eukaryotes descended from a primitive combination of both archaea and bacteria. What evidence supports this theory?
Answers
The theory of endosymbiosis proposes that eukaryotes descended from a combination of both archaea and bacteria. Evidence that supports this theory includes the similarities between mitochondria and chloroplasts to free-living bacteria, the presence of double membranes around mitochondria and chloroplasts, and the fact that mitochondria and chloroplasts have their own DNA.
Explanation:
The theory of endosymbiosis proposes that eukaryotes descended from a combination of both archaea and bacteria. Evidence that supports this theory includes the similarities between mitochondria and chloroplasts to free-living bacteria, the presence of double membranes around mitochondria and chloroplasts, and the fact that mitochondria and chloroplasts have their own DNA.
Mitochondria and chloroplasts contain some of the same enzymes and transport systems as bacteria, and are similar in size and shape to bacteria. In addition, they both reproduce by binary fission, similar to bacteria. The presence of double membranes around mitochondria and chloroplasts also supports the theory of endosymbiosis, as this suggests that the organelles were engulfed by the host cell and retained their own membranes.
Finally, mitochondria and chloroplasts have their own DNA, which is circular like bacterial DNA. The DNA of mitochondria and chloroplasts also lacks histones, which are present in eukaryotic DNA, and is more similar to bacterial DNA in terms of gene expression and replication.
Together, these lines of evidence support the theory of endosymbiosis and suggest that mitochondria and chloroplasts were once free-living bacteria that were engulfed by a host cell and evolved into the organelles found in eukaryotic cells today.
what is the mechanism of natural selection
Answers
The simple process of natural selection causes long-term population changes in living things. It can be broken down into five basic processes, which we'll collectively term to as VISTA in this case: Difference and inheritance.
What sort of mechanism is natural selection?One method that propels evolution is natural selection. It happens when organisms have inherited features that increase their chances of surviving. These animals procreate more frequently than individuals in the population who lack these qualities because those who have made these adaptations pass on their advantageous traits to subsequent generations.
What distinguishes natural selection from mechanism?One of the mechanisms or causes of evolution is natural selection. Physical or behavioural characteristics that help an organism fit in with its surroundings are called adaptations.
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Hearing is MOST acute at age: 30. 40. 10. 20.
Answers
the type of inheritance that involves one dominant and one recessive allele us called ____.
A. dominance
B. predominance
C. codominance
D. incomplete dominance
Answers
explanation
its dominance
Explanation:
2. dependence problems.
narcotic
illegal drug
Answers
narcotic are illegal drugs is a true statement.
Option A is correct
What are narcotic?The term narcotic originally referred medically to any psychoactive compound with numbing or paralyzing properties
Chemicals with an intense physiological effect, such as drugs and psychoactive chemicals, modify brain function and momentarily affect perception, mood, and feelings.
Due to their detrimental effects on the body and human health, drugs are outlawed in the majority of nations around the world. Heroin and cocaine, which are deadly narcotics, cause the most severe addiction.
Drug dependence results in both physical and mental dependence.
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Complete question:
. Narcotics are illegal drugs
A. O True
B. O False
Which environmental change is most likely to affect the long-term stability of an ecosystem? A. Monarch butterflies migrating to breed., B. The introduction of kudzu an invasive plant species., C. A dry winter decreasing plant populations., D. Humans building a sustainable hiking path
Answers
Answer:
B
Explanation:
Because the growth of the plant will take time leading into the future.
can you fertilize an egg with DNA?
Answers
Answer:
In the procedure, the grouped-together DNA from a mother's egg was removed and placed inside a donor egg from another woman, which had been emptied of its DNA.
Explanation:
The donor's egg with the mother's genes was then fertilized and developed into an embryo.
Explain the relationship between these terms. Photosynthesis, chlorophyll, thylakoids, and chloroplasts.
Answers
Answer:
Photosynthesis is the process by which plants take sunlight, carbon dioxide, and water to produce more complex molecules such as glucose and oxygen. This process is carried out cellularly in the chloroplasts. Chloroplasts are formed by thylakoid membranes where pigments such as chlorophyll are found. Chlorophyll is the pigment that captures the photons of light and activates the entire photosynthetic system through the excitation of an electron.
Answer:
Photosynthesis occurs in the chloroplasts.
Chloroplasts capture light energy.
Thylakoids can be found inside chloroplasts, where light-dependent reactions occur.
Chlorophyll is found in the thylakoids.
Chlorophyll absorbs light energy.
Chlorophyll is what makes plants look green.
Explanation:
Human blood is made up of many different components. Which of the following options makes up the majority of human blood?
Red blood cells
Leukocytes
Plasma
Buffy Coat
Answers
Answer:
Red blood cells
Explanation:
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9
Which level of organization is characterized by a group of cells that work together to perform a common function?
organ
tissue
organ system
organism
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Answers
What are the elements found in the molecule?
Answers
Precession of Earth's axis causes
A axial tilt
B a change in the North Pole star
C seasons
D day and night
Answers
Precession of Earth's axis causes a axial tilt.
The angle between an object's rotational axis and its orbital axis, which is the line perpendicular to its orbital plane, or, more precisely, the angle between its equatorial plane and orbital plane, is known as axial tilt, sometimes known as obliquity.
Unlike orbital inclination, it is different. The two axes point in the same direction with an obliquity of 0, meaning the rotational axis is parallel to the orbital plane.
The Earth's rotational axis, for instance, is the hypothetical line that traverses both the North and South Poles, while the Earth's orbital axis is the line perpendicular to the hypothetical plane through which the Earth moves as it revolves around the Sun. The angle between these two is known as the Earth's obliquity or axial tilt.
Thus, Precession of Earth's axis causes a axial tilt.
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the people who put together the factors of production to produce goods is called
Answers
Answer:
an entrepreneur or innovater
What are two uses of carbohydrates in living things
Answers
Answer:
Hello....
Explanation:
There are five primary functions of carbohydrates in the human body. They are energy production, energy storage, building macromolecules, sparing protein, and assisting in lipid metabolism.
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What was the climate like prior to the extinction ?
Answers
Answer:
The extinction you are referring to is unclear, as there have been several mass extinctions throughout Earth's history. However, it is generally accepted that climate has played a significant role in many of these events. Prior to some of the mass extinctions, such as the Permian-Triassic extinction and the Cretaceous-Paleogene extinction, the climate was warm and tropical with high levels of carbon dioxide in the atmosphere. This warm climate was likely a contributing factor to the extinction, as it may have led to changes in sea level, ocean circulation, and weather patterns that disrupted ecosystems and caused widespread extinction of species. However, it is important to note that climate is just one of many factors that can contribute to mass extinction events, and there are often multiple causes involved.
three (3) advantages of using a resource person in handling the First Aid lesson.
Answers
Answer:
Advantages of resource person in handling the first aid lesson are as follows:
He is an expert who share important points during first aid and prevents any mishappening.They also provide assistance to the community member and provide social audits in villages.A resource person can share extreme difficult cases of injuries and will introduce new methods to adopt first aid in those conditions.Which is the smallest planet
Answers
Answer:
The smallest planet in our solar system is Mercury. It has a radius of 1,516 miles (2,440 km), which is about 1/3 the size of Earth. Mercury is also the closest planet to the Sun. It takes Mercury 88 Earth days to orbit the Sun, but only 59 Earth days to rotate on its axis. This means that Mercury has a day that is longer than its year.
Mercury is a very hot planet, with surface temperatures reaching up to 800 degrees Fahrenheit (427 degrees Celsius). This is because Mercury has no atmosphere to protect it from the Sun's heat. Mercury also has a very thin atmosphere, which is made up of hydrogen, helium, and oxygen.
Mercury is a very interesting planet, and scientists are still learning about it. In 2011, NASA's Messenger spacecraft became the first spacecraft to orbit Mercury. Messenger spent four years in orbit, studying Mercury's surface, atmosphere, and magnetic field. The data collected by Messenger has helped scientists to better understand this small, but fascinating planet.
Explanation:
Or pluto/ dwarf planet