Which of the following statements best describes how science has
developed over time?
A. Each new idea builds on observations and experimentation made
by scientists around the world and throughout history.
B. Each new idea disproves all previous observations and
experiments.
C. Environmental science is new. Our current understanding is based
on observations and experiments performed within the past 20
years.
D. All knowledge of environmental science has been discovered.
Answers
The statement 'Each new idea builds on observations and experimentation made by scientists around the world and throughout history' best describes how science has developed over time (Option A).
What does observation and experimentation mean?The expression 'observation and experimentation' makes reference to all possible answers that are solved by raising scientific questions, which are explained and answered by testing hypotheses and using the scientific method.
In conclusion, the statement 'each new idea builds on observations and experimentation made by scientists around the world and throughout history' best describes how science has developed over time (Option A).
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Related Questions
I WILL GIVE BRANLIEST. PLSSS
A single birch tree may transpire as much as 260 liters of water in a day. How much
water would a grove of 1,000 birch trees return to the atmosphere in a year?
Answers
Answer:
94 million liters.
Explanation:
260*1000=260,000
260,000*365=94,900,000
What causes a greater amount of pressure in the inner core?
Answers
Draw and label the plasma membrane of your organism’s cell. Label the phospholipids, a transmembrane protein and cholesterol and describe the function of each part. My organism is a Black footed ferret
Answers
The diagram of the plasma membrane of your organism’s cell is shown in the image attached.
What is diffusion across the plasma membrane?
The movement of molecules or ions across the phospholipid bilayer that makes up the plasma membrane of a cell, from an area of higher concentration to an area of lower concentration, is referred to as diffusion over the plasma membrane. It is a passive process that doesn't need energy to be added.
Because the plasma membrane is selectively permeable, only some chemicals can pass through while others are prevented from doing so. When substances, like gases (oxygen and carbon dioxide) or tiny, uncharged molecules (water, ethanol), move through the plasma membrane along a concentration gradient, this is known as diffusion.
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A pea plant has seven pairs of homologous chromosomes. What is its haploid number? What is its diploid number?
Answers
If a pea plant has seven pairs of homologous chromosomes, then its haploid number is 7 and its diploid number is 14.
What are haploid and diploid numbers?The terms haploid and diploid numbers make reference to the complete set of chromosomes that a species has in a given cell type, haploid is the complete set of these chromosomes while diploid refers to two complete sets.
Therefore, with this data, we can see that haploid and diploid numbers make reference to the number of sets of entire chromosomes for a cell type.
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The graph shows the frequency of two alleles for a genetic trait in a population. A graph entitled Frequency of 2 Alleles in a Population has generation number on the horizontal axis, and frequency on the vertical axis, from 0 to 1. Allele Upper A has a 0.5 frequency at generations 1, 2, 3 and 4. It has a 0.45 frequency at generation 5. Allele a has a 0.5 frequency from Generations 1 through 4 and then has a frequency of 0.55 at generation 5. Which question is a biologist most likely to ask after seeing this graph? Did the observer make the wrong observations in generation 5? How many individuals were observed in each generation? Is there a theory that explains the results in the graph? Will the frequency of the alleles in this population change again?
Answers
Answer:
C. Is there a theory that explains the results in the graph?Explanation:
i tack test
A 40-year-old patient experiencing periods of mania and periods of depression would most likely benefit from which of the following? Select one: O a. Methylphenidate (Ritalin) O b. Amitriptyline (Elavil) Oc Carbamazepine (Tegretol) O d. Atomoxetine (Strattera)
Answers
Oc Carbamazepine (Tegretol) is most likely to benefit a 40-year-old patient experiencing periods of mania and depression. It is commonly used as a mood stabilizer in the treatment of bipolar disorder.
For a 40-year-old patient experiencing periods of mania and depression, the most likely beneficial medication is Carbamazepine (Tegretol). It is commonly prescribed as a mood stabilizer for bipolar disorder. Carbamazepine helps to regulate mood swings by stabilizing the electrical activity in the brain. It is particularly effective in managing manic episodes and reducing the frequency and severity of depressive episodes. This medication works by modulating the levels of neurotransmitters and ion channels in the brain, which helps to restore balance and alleviate symptoms. However, it is essential to consult a healthcare professional for an accurate diagnosis and appropriate treatment plan.
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As human hands form during development, they contain webs between the fingers. However, most human babies are born without this webbing present.
Which of the following processes causes the webbing to disappear?
(5 Points)
A)Fertilization
B)Mitosis
C)Apoptosis
D)Interphase
Answers
Answer:
C) Apoptosis
Explanation:
The black line on the map below represents tec-
tonic plates. The red line shows the longest ridge
in the world. This mid-ocean ridge extends for
about 10,000 miles and is characterized by shal-
low earthquakes and minor lava flows. It is
known as a spreading zone, as it is responsible
for ocean sea floor spreading.
Based on the evidence, what type pf plate
boundary is responsible for this mid-ocean
ridge?
A.Convergent
B.Divergent
C.Transform
D.Oceanic
Answers
Answer:
I think the answer is D
Explanation:
what makes crt monitor disposal dangerous for a technician who is handling the disposal?
potential breathing hazards
potential explosive materials
potential residual high voltage
potential health-damaging chemicals
Answers
The potential residual high voltage makes CRT monitor disposal dangerous for a technician who is handling the disposal. The correct option is c.
CRT monitors operate by using high voltage to generate the electron beam that produces the images on the screen. Even after the monitor is turned off and unplugged, there can still be residual electrical charge stored in the capacitors within the monitor. If not discharged properly, this residual high voltage can pose a significant risk of electric shock to anyone handling the monitor during disposal.
Technicians handling CRT monitor disposal need to be aware of the potential electrical hazards and take appropriate precautions. They should ensure that the monitor is discharged of any residual voltage before dismantling or disposing of it. This can be done by following proper procedures, such as using discharge tools or allowing sufficient time for the capacitors to discharge naturally.
It is essential to prioritize safety and adhere to guidelines and regulations for the proper handling and disposal of CRT monitors to minimize the risks associated with the residual high voltage and other potential hazards. Therefore, the correct option is c.
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The question should be:
what makes crt monitor disposal dangerous for a technician who is handling the disposal?
a. potential breathing hazards
b. potential explosive materials
c. potential residual high voltage
d. potential health-damaging chemicals
Are pharmaceuticals derived from plants?
Answers
The top 20 prescription pharmaceuticals plants sold in the U.s. now are among the 40% of drugs found behind the pharmacy's counter inside the Western hemisphere that are made from plants that have been used by humans for ages.
What is the source of pharmaceuticals?Since the discovery of these pharmaceuticals slowed down, guy molecules have not made up the difference. The majority of medicines created in the previous century were from naturally occurring compounds (natural processes) found in sources like plants, bacteria, and fungi.
Are plants used by pharmaceutical companies?As the little folks work on manufacturing and plant-based pharmaceuticals, Big Pharma watches from a distance. Big Pharma favors traditional plants over living plants for manufacturing.
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An increase in food and a decrease in predators would most likely _____
genetic variation in a population.
Answers
Answer:
Im pretty sure the answer is increase
Explanation:
Its on a quizlet(Im very sorry im wrong)
Answer:
Increase
Explanation:
The person above IS correct I got 100% on this quiz Factors Affecting Genetic Variatio
Photosynthesis and cellular respiration acquired and use energy.
Answers
Answer:
Photosynthesis converts carbon dioxide and water into oxygen and glucose. Glucose is used as food by the plant and oxygen is a by-product. Cellular respiration converts oxygen and glucose into water and carbon dioxide. Water and carbon dioxide are by- products and ATP is energy that is transformed from the process.
Explanation:
Flowers shaped for their pollinators, specific camouflaged color patterns of animals, and a beaver's enormous front teeth for gnawing are all examples of
Answers
Flowers shaped for their pollinators, specific camouflaged color patterns of animals, and a beaver's enormous front teeth for gnawing are all examples of adaptation
What is adaptation ?The modification of an organism to its environment in order to increase its chances of survival is known as evolutionary adaptation, or simply adaptation.
A living thing can modify itself to fit its surroundings. A plant growing at a higher altitude, for instance, might change its metabolism or the types of nutrients it needs to thrive. Another perspective on adaptation is genetic.
An animal's morphological or behavioural characteristics that aid in their better survival in their environment are referred to as adaptations. In other words, an adaptation is something a person does or has on their body that facilitates locating food, water, partners, and shelter.
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How are meiosis and mitosis similar?
Answers
Answer:
both processes of cell division in which cells reproduce
they share similar steps (prophase, metaphase, anaphase, telephase, cytokinesis) (meiosis has a second division but still follows the same steps)
Answer:
Meiosis II is very similar to mitosis; chromatids are separated into separate nuclei. As in mitosis, it is spindle fibers that “pull” the chromosomes and chromatids apart. The end result of meiosis is four cells, each with one complete set of chromosomes instead of two sets of chromosomes.
Explanation:
Hope this helps
True or false
Plants use energy from the sun to produce carbon dioxide and sugars???
Carbon dioxide is ether wrong or right
Answers
All cells have ribosomes.
However, some cells have more
ribosomes than others.
the
Which cells have the MOST
ribosomes?
A. Cells that produce proteins.
B. Cells that produce energy.
C. Cells that are involved in reproduction.
Answers
Answer:
B
Explanation:
Ribosomes main purpose is to make proteins from the process called translation. This is the second step in the process.
Briefly describe the impacts of climate change on ecosystem
.
Answers
Answer:
can alter where species live, how they interact, and the timing of biological events, which could fundamentally transform current ecosystems and food webs. Climate change can overwhelm the capacity of ecosystems to mitigate extreme events and disturbance, such as wildfires, floods, and drought.
Explanation:
What type of scientist would be the best qualified to perform genetic engineering to pro- duce seed that are more productive in agriculture? A. biochemist B. geologist C. molecular biologist D. paleontologist
Answers
The type of scientist best qualified to perform genetic engineering to produce more productive seeds in agriculture would be a molecular biologist, the correct option is C.
Molecular biologists specialize in studying the structure, function, and interactions of molecules within biological systems, including DNA and genes. Genetic engineering involves manipulating the genetic material of organisms, which requires a deep understanding of molecular biology principles.
Molecular biologists have the expertise to identify and isolate specific genes responsible for desired traits in crop plants, such as increased productivity or resistance to pests or diseases. They can then modify or introduce these genes into target plants to achieve the desired outcomes, the correct option is C.
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If an animal does not consume glucose, how is the body still aback to obtain energy needed for cell processes
Answers
Answer:
through gluconeogenesis
Explanation:
Definition of gluconeogenesis
iron deficiency is the most common form of anemia. what role does iron play in the health of red blood cells?
Answers
Iron plays a crucial role in the health of red blood cells. Red blood cells, also known as erythrocytes, are responsible for carrying oxygen from the lungs to various tissues and organs in the body, and iron is an essential component of hemoglobin, the protein in red blood cells that binds and carries oxygen.
Iron is required for the synthesis of hemoglobin, which is the oxygen-carrying pigment in red blood cells. Hemoglobin consists of four protein subunits, each containing a heme group, and each heme group contains an iron atom at its center. The iron in hemoglobin binds to oxygen in the lungs, forming oxyhemoglobin, which is then transported by red blood cells to tissues and organs throughout the body, where the oxygen is released for use in cellular metabolism.
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Put the following 3 fictional plants in order from earliest to most recent according to their characteristics:
A. The Terpad Plant: This plant reproduces using spores and has proper leaves and vascular tissue.
B. The Feltris Plant: The Feltris plant lives in moist environments since it doesn't have any vascular tissue to maintain hydration throughout the plant. This plant has no roots either but has small root-like structures called rhizoids which help anchor them to the ground. Water is also required in order for fertilization.
C. The Lancelot Plant: This plant can grow in either moist or dry environments, has true roots, stems and leaves and reproduces via seeds which develop within an ovary.
Answers
Answer:
Explanation:
B A C
Which of the following structures serve as the cells boundary form it’s environmen
Answers
Answer:
The cell membrane
Explanation:
The cell membrane, sometimes also known as the plasma membrane, serves as a clear boundary between the inside of a cell and its outer environment.
Help plsssssss
what is the main industry of the broad river basin?
Answers
Answer:
The Broad River basin dominates the central Piedmont of South Carolina. Sharing a long northern border with North Carolina, the basin tapers in a southeasterly direction and terminates at its confluence with the Saluda River near Columbia.
Explanation:
Does mitosis start with haploid or diploid cells
Answers
Answer:
Mitosis starts with diploid cells
Explanation:
two populations of mice living in the same forest are separated by a large water-filled ditch. after a rainstorm,flooding brings several mice from one population to the other population. when the mice from the first populationreproduce with members of the second population, what can be said about the offspring compared to the parentalpopulations
Answers
When mice from the first population reproduce with members of the second population, the offspring in the second population will have greater genetic variety, option D is correct.
This mixing of genetic material introduces new combinations of genes, leading to increased genetic variety in the second population. This genetic variety is beneficial as it can enhance the population's adaptability and resilience to changing environmental conditions.
It provides a broader pool of genetic resources for natural selection to act upon, potentially leading to the emergence of advantageous traits. This increased genetic diversity can contribute to the overall fitness of the second population, allowing it to better respond to selective pressures and increasing its chances of long-term survival in the forest ecosystem, option D is correct.
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The complete question is:
Two populations of mice living in the same forest are separated by a large water-filled ditch. After a rainstorm, flooding brings several mice from one population to the other population. When the mice from the first population reproduce with members of the second population, which of the following will likely occur?
A. All of the offspring will die as a result of reproductive mutations.
B. The offspring will be forced to leave the second population.
C. The offspring will be genetically identical to their parent from the first population.
D. The offspring in the second population will have greater genetic variety.
How does biological evolution work?
Answers
Answer: It uses natural selection to choose traits that are more favorable which is measured by if the species can make fertile offspring. For example horses can make fertile offspring like donkeys can also do this but a cross betweek male donkeys and female horses can make offspring(mule) but not fertile ones. Fertile offsprings are offsprings/ kids that can have kids.
Further Explanation:
https://www.britannica.com/science/biology/Evolution
Which of these was a direct cause of the korean war
Answers
The Korean War was primarily caused by the escalating tensions and competing ideologies between the two major powers of the time: the United States and the Soviet Union (USSR).
More specifically, the following factors directly contributed to the outbreak of the Korean War:
Division of Korea: At the end of World War II in 1945, Korea was divided along the 38th parallel into two separate zones of influence. The Soviet Union controlled the north, establishing a communist government led by Kim Il-sung, while the United States occupied the south, supporting a non-communist regime led by Syngman Rhee.
Ideological Conflict: The ideological conflict between communism and capitalism played a significant role in the Korean War. The Soviet Union and its communist allies sought to spread their influence and ideology, while the United States and its Western allies aimed to contain the spread of communism.
Invasion by North Korea: On June 25, 1950, North Korea launched a surprise invasion of South Korea with the goal of reunifying the country under communist rule. This invasion marked the beginning of the Korean War.
International Response: The United Nations (UN) intervened in the Korean War, primarily led by the United States. The UN Security Council passed a resolution authorizing military action against North Korea and established a multinational force to repel the North Korean aggression.
Cold War Dynamics: The Korean War took place during the broader context of the Cold War, a geopolitical struggle between the United States and the Soviet Union. The conflict in Korea became a proxy war between the two superpowers, with the United States supporting South Korea and the Soviet Union providing assistance to North Korea.
It's important to note that the Korean War was a complex event influenced by multiple factors. While these are some of the direct causes, there were also underlying tensions and historical factors that contributed to the outbreak of the conflict.
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Difference between Acute Disease & Chronic Disease
NO SPAM
Answers
Answer:
Acute disease develop suddenly and last a short time while chronic disease develop slowly and last for an extended period of time.
Explanation:
Acute disease come rapidly and are accompanied by symptoms that require short term care and therefore get better once treated.
chronic disease are slower to develop and may progress over time hence have many warning signs or no signs .
The opposite processes of evaporation is.
A. condensation.
B. percolation.
C. transpiration.
Answers
Answer:
condensation
Explanation:
Answer:
A. condensation
Explanation:
Evaporation is the process of liquid turning into gas, the opposite would be condensation which is the process of water vapor turning back into a liquid.
The effectiveness of mimicry relies on the ability of predators to recognize and remember patterns. Will Batesian or Müllerian mimicry be more effective in "teaching" predators which prey to avoid? Why? (10 points)
Answers
Predators' ability to recognize and remember patterns is critical to the effectiveness of mimicry. In teaching predators which prey to avoid, Müllerian mimicry is more effective than Batesian mimicry.
Batesian mimicry is a form of mimicry in which a harmless species appears to be toxic or harmful to predators. A species that is not toxic mimics the appearance of a toxic species in Batesian mimicry. The objective of Batesian mimicry is to deceive predators into thinking that the species is poisonous or dangerous, allowing it to avoid predation.
Müllerian mimicry is a form of mimicry in which two toxic species resemble one another. The objective of Müllerian mimicry is to teach predators which prey to avoid. When two or more toxic species exhibit the same warning sign, predators learn that the sign means "avoid" rather than learning to avoid each species separately. Hence, it is more effective in teaching predators which prey to avoid.
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