Describe what happened to the average yearly temperature on earth from 1970 to 1990. Give one possible reason why this change occurred.
Answers
Explanation:
In the given question, the graph has been shown representing the change in temperature on Earth between 1900 to 1990. The graph has been made by plotting temperature ( °F) on y-axis vs Year on the x-axis.
From the graph, it can be observed that the temperature on Earth has increased over the years but between 1970 to 1990 the temperature has increased from 56.9 °F to 58.1 °F approximately.
The reason for this increase in temperature could be accounted to the fact that the burning of fossil fuels like petrol, gas, coal and others increased over these years which increased the amount of carbon dioxide and other harmful gases in the atmosphere.
Due to the increase in these gas, the greenhouse effect was observed and the temperature of the Earth begins to rise at an alarming rate.
Related Questions
PLEASE HELP ME ASAP!!
In a chemical change, _________ materials are formed that are different from the starting materials.
Answers
Answer: new
Explanation:
In a chemical change, a new product if formed form 1 or more reactants caused by a chemical reaction although the number of atoms remain constant, the atoms are rearranged.
Which experiment would most likely contain experimental bias?
A.
A student tests the attraction of bees to flowers by placing four different flowers in the same location and counting how many bees visit each.
B.
A chemistry class performs an experiment in which each reaction has the same amount of starting material and begins at the same temperature.
C.
A lab performs a test by giving bacterial colonies the same amount of different antibiotics and growing them under the same conditions.
D.
A company that makes pain relief medication tests the effectiveness of their own medicine compared to that of three other brands.
Answers
The experiment which would most likely contain experimental bias is a company that makes pain relief medication tests the effectiveness of their own medicine compared to that of three other brands which is therefore denoted as option D.
What is an Experiment?This is referred to as a procedure which is usually carried out in the laboratory and it is used to support or refute a hypothesis.
Experimental bias on the other hand is the tendency of a scientist or researcher to introduce bias into an experiment through unconsciously affecting the results, data etc. This is because they would want to get values which would show that their drugs are more effective and suitable for use so as to promote more sales and is the reason why some form of bias may be introduced into the findings which was why it was chosen as the correct choice.
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what ia rock?
give answer
Answers
hope this helps!
compare the differences in amino acid sequences among the mammals
Answers
The amino acid sequence among mammals varies, which may affect protein functions. The differences in the amino acid sequence are responsible for creating variations in the proteins' shape, which, in turn, affects their functionality.
The amino acid sequence among mammals varies, which may affect protein functions. Amino acid sequence is a very important factor in the study of protein structures, function, and evolution. Proteins' amino acid sequence is responsible for creating variations in their shape, which, in turn, affects their functionality. The differences in the amino acid sequence are responsible for creating variations in the proteins' shape, which, in turn, affects their functionality.Different mammalian species have unique amino acid sequences and can be distinguished by these differences. For example, a human protein's amino acid sequence might be compared to a mouse protein's amino acid sequence to determine the variations between the two. The differences in amino acid sequences among mammals provide insight into the evolutionary relationships between species and the mechanisms by which they adapt to their environment.
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Scientists hypothesize that there are no dinosaurs alive today because
a) mammals out-competed the dinosaurs for food and living space
b) they were hunted too extinction by other dinosaurs
c) they were killed when the ice caps melted and water covered the land
d) they could not adapt a new environment to avoid extinction
Answers
Answer:
c) they were killed when the ice caps melted and water covered the land
Explanation:
mass extinction of the non-avian dinosaurs and many other living things during the Cretaceous–Paleogene extinction event was caused by the impact of a large asteroid on the Earth.
Answer:
D
since the theory of an astroid or volcano bursting caused the enjoinment to become dark and cold. Many animals did not survive this drastic change in their environment and many things died.
Explanation:
Meiosis is the process that produces sperm and eggs by reducing the gamete cell's number of chromosomes from _____to _____.
Select one:
a.
diploid to haploid
b.
haploid to polyploidy
c.
diploid to monoploidy
d.
haploid to diploid
it's not b
Answers
Answer: Your answer my boy is A.) diploid to haploid.
Explanation: I just did this assignment .It would be great if I could get Brainliest.
In the U.S., teenagers are considered adults when they reach the age of 18. At 18, they are allowed to serve in the military, they are allowed to sign legal contracts (like apartment, house, and car leases), and they are allowed to vote. All of these activities are important; however, one of the most important is left out. The driving age in many states is 16. Is driving less important than serving in the military? Federal law should require that teenagers should not be allowed to drive until they are 18.
One reason that the driving age should be raised to 18 is because 16-year-olds have a different set of responsibilities than 18-year-olds. For example, many 16-year-olds have only just entered high school. Some high schools offer early graduation for students who do well academically. This should be their first priority—school. Many high school kids are too distracted by the thought of a driver's license to study. This shows the type of drivers they will be—distracted. Do people really want a 16-year-old who can't even concentrate on studying distracted and behind the wheel of a two-ton car? A 2005 study of cell phone users shows that many use their cell phones while they drive.
Another reason the driving age should be raised is because it will make kids more responsible. By the age of 18, many students are starting to grow into adults. Many have jobs. Many will graduate. Many will start to plan for college. This is exactly what it is like to be an adult—having responsibility. A teenager turning 18 will be more likely to take his or her driving habits seriously because it would be one of many other adult responsibilities they would have.
Finally, at the age of 18, the government can hold teenagers accountable as adults. This would make things safer for all drivers. Teenagers behind the wheel of a car cause more accidents than adult drivers. Each year, S.U.V.s are involved in more accidents than regular cars. In an accident where someone is injured, the person responsible for the accident can be punished by the government. This isn't the case if the person responsible is 16. Laws apply differently to adults than they do to teens. Many times, the parents are responsible. If a driver had to wait until he or she were 18 to drive, he or she would be the only person to blame in an accident. This means that the 18-year-old would be punished by the same law that punishes adults. The same driver at 16 would not be held to the same punishment since he or she is considered underage. This is clearly not fair.
8
Which sentence supports the idea that teenagers behind the wheel of a car cause more accidents than adult drivers?
A.
For example, the U.S. Department of Transportation says that in 2004 60% of the accidents in the U.S. involved drivers younger than 18.
B.
An 18 year old is considered an adult; however, in many states, this does not mean he or she can drink legally since that legal age is 21.
C.
For example, if an 18-year-old had the choice, he or she would rather drive faster than slower when on the freeway.
D.
The demands of being a teenager, going to school, getting good grades, finding one's self, and planning out the future are stressful.
Answers
Answer:
A
Explanation:
it's the only answer that focuses on teenagers causing more crashes then adults
what do you call humid air mass that forms over water in cold areas?
Answers
_____ examine the relationships among parts of the body as well as the structure of individual organs. Multiple choice question. Biologists Physiologists Anatomists Botanists
Answers
The correct answer to the multiple choice question is Anatomists. Anatomists examine the relationships among parts of the body as well as the structure of individual organs.
Anatomy is the study of the structure of the body and its organs. Anatomy is concerned with the relationship between body parts and how they function together. It includes examining the structure and composition of cells, tissues, organs, and organ systems. In general, anatomy examines the macroscopic and microscopic structures of the human body. Therefore, it is an essential field for medical professionals, including physicians and nurses, as well as researchers who study the structure and function of living organisms.In conclusion, anatomists are concerned with examining the structure and relationships of parts of the body, as well as the structure of individual organs.
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How do molecules that are too large to pass through the spaces of the cell membrane move into the cell?
A. The molecule will break up into smaller pieces.
B. The molecule will shrink so that it can fit in the spaces.
C. The molecule will move through a matching protein channel.
Please only answer if your 100% sure, this is for a test.
Answers
Explanation:
cell by a process called endocytosis, where a small piece of the cell membrane wraps around the particle and is brought into the cell. If the particle is solid, endocytosis is also called phagocytosis. If fluid droplets are taken in, the processes is called pinocytosis.
Answer: C
Explanation:
According to the Red Queen Hypothesis, predators and prey evolve together to gain small advantages against one another. Give an example of a prey and predator. How might they change slightly over time together? Why?
Answers
An example of a prey and predator that co-evolve due to the Red Queen Hypothesis is the cheetah (predator) and the impala (prey) in the African savannah. The impalas evolve to become faster and more agile, enabling them to outrun cheetahs.
The impalas develop longer legs, allowing for increased stride length and higher running speeds, as well as enhanced agility through improved coordination and quick directional changes. On the other hand, cheetahs develop longer, more muscular bodies to improve their acceleration and top speed. They also possess sharper claws for better grip during high-speed chases.
These changes occur because faster impalas have a higher likelihood of escaping predation, while faster cheetahs have a better chance of catching their prey. Thus, natural selection favors individuals within each species that possess advantageous traits, leading to the co-evolutionary chase between the predator and prey.
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what is the fundamental idea behind parsimony? group of answer choices the best phylogeny is the one that both explains the observed character data and posits the fewest evolutionary changes for a group of taxa. the best phylogeny is the one that posits the greatest number of evolutionary changes for a group of taxa. the computed number of morphological or molecular distances between taxa indicates their relatedness. morphological traits cannot be used to reconstruct phylogenetic history.
Answers
The fundamental idea behind parsimony is option A: the phylogeny that explains the observed character data and assumes the fewest evolutionary changes for a set of taxa is considered to be the best.
A key feature of phylogenetic inference is parsimony, which states that the branching pattern that requires the fewest number of evolutionary changes should be assumed to represent the phylogeny of a group of species. In other terms, it is a technique for building phylogenetic trees that aims to reduce the overall number of evolutionary changes necessary to account for a certain set of data.
Parsimony belongs to a group of character-based tree estimation techniques that infer one or more ideal phylogenetic trees for a group of taxa, typically a group of species or reproductively isolated populations of a single species, using a matrix of discrete phylogenetic characteristics and character states.
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Correct question:
What is the fundamental idea behind parsimony? group of answer choices
the best phylogeny is the one that both explains the observed character data and posits the fewest evolutionary changes for a group of taxa.
the best phylogeny is the one that posits the greatest number of evolutionary changes for a group of taxa.
the computed number of morphological or molecular distances between taxa indicates their relatedness.
morphological traits cannot be used to reconstruct phylogenetic history.
What distinguishes an amniotic egg from eggs laid by other animals, including fishes, amphibians, and invertebrates?
Answers
The difference between an amniotic egg and eggs laid by other animals is : Absence of Membrane ( amnion ) and absence of larval stage
Characteristics of an amniotic eggEggs laid by amniotes are different from other eggs laid by fishes, amphibians and invertebrates in that they lack a membrane and a larval stage. the shell of the amniotic egg protects the embryo in the absence of a membrane. The shell also allows for the exchange of oxygen and carbon dioxide between the the embryo and the environment.
Hence we can conclude that The difference between an amniotic egg and eggs laid by other animals is : Absence of Membrane ( amnion ) and absence of larval stage
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Which hormone(s) is released by cardiac muscle cells in response to increased atrial distension?
a. PTH
b. aldosterone
c. natriuretic peptides
d. ADH
e. acetylcholine
Answers
In response to increased atrial distension, the hormone released by cardiac muscle cells is: natriuretic peptides. The correct option c.
Natriuretic peptides, specifically atrial natriuretic peptide (ANP) and brain natriuretic peptide (BNP), are released when there is an expansion in blood volume or increased pressure within the heart chambers.
These peptides function to reduce blood volume and pressure by promoting vasodilation, increasing the excretion of sodium and water by the kidneys, and inhibiting the release of other hormones such as aldosterone and ADH. In this way, natriuretic peptides help maintain proper fluid balance and regulate blood pressure in the body. The correct option c.
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True or false microwaves are a type of infrared wave?
Answers
Answer:
yes they are a type of infrared wave
Answer:
Microwaves are a type of infrared wave. False. Microwaves are a type of electromagnetic radiation. ... Radio waves, microwaves, and ultraviolet waves all have longer wavelengths than visible light.
Identify the terms described by selecting the correct word from the drop-down menu.
Anything that has mass and takes up space
The part of Earth in which life exists, including land, water, and air
Answers
Answer: a g I need the same answer too
Explanation:
When a light wave reflects off a solid surface, it can do all the following expect ?
Answers
Answer:
i believe it is the third one. dont take my word on it tho
Explanation:
When a light wave reflects off a solid surface, it will not change from transverse to longitudinal. The correct option is C.
What is reflection?The shift in direction of a wavefront at an interface between two different media so that the wavefront returns to the medium from which it originated is referred to as reflection. Reflection of light, sound, and water waves are common examples.
Reflection occurs when light passing through one material bounces off another. The reflected light continues to travel in a straight line, but in the opposite direction.
The light is reflected at the same angle at which it strikes the surface. The incidence angle equals the reflection angle.
Transverse waves are light waves. Sound waves are long-distance waves. The particles are displaced perpendicular to the traveling wave's direction.
Thus, the correct option is C.
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what is the function of the lac repressor system in e. coli
Answers
The function of Lac repressor system in E. Coli is inhibition of transcription process of the Lac operon.
Lac operon is a gene involved in metabolism processes which functions only in presence of lactose and absence of glucose. It has one regulatory gene and three structural genes. Repressor proteins are coded by regulatory genes. The role of LacI is to inhibit mRNA production for proteins encoded by the lac operon. E. coli is a bacteria, in which there is one repressor gene and one promoter gene.
The Lac repressor gene binds with DNA specifically at the site of operation and blocks the RNA polymerase to move down the DNA strand. However presence of lactose changes this process and the repressor gene is unable to bind with the DNA strand and so RNA polymerase takes place part in transcribing the structural gene.
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Bicarbonate is an important buffer in blood and its concentration is regulated by the
A) heart.
B) lungs.
C) liver.
D) kidneys.
E) pancreas.
Answers
Bicarbonate is an important buffer in blood and its concentration is regulated by the kidneys.
The bicarbonate buffer system is indeed an acid-base homeostatic mechanism that involves the balance of carbonic acid, bicarbonate ion, and carbon dioxide to support proper metabolic function in the blood as well as duodenum, among other tissues.
The most important buffer for maintaining blood pH homeostasis is indeed the Carbonic Acid-Bicarbonate buffer system. Carbonic acid is formed in this system when gaseous metabolic end carbon dioxide reacts to water to produce carbonic acid, that also rapidly dissociates into the a hydrogen ion as well as bicarbonate.
This same bicarbonate buffer system inside the human duodenum and the stomach serves to neutralize gastric acid while also stabilizing the intracellular ionic strength of epithelial cells through the secretion of carbonic acid into the gastric mucosa.
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egested waste,
All of the mass of the ingested grass is not accounted for in the growth and
waste of herbivore 1. How much is missing? What do you think happened to the
mass?
Nyour answer
Answers
Answer:
Only 10% of the mass and energy is transferred
Explanation:
In a food chain, organism at a certain trophic level, obtain nutrition and energy from organism lying at its preceding trophic level.
As per the rule of energy pyramid, a higher organism feeding on any low level organism in a given food chain obtain only 10% of the total energy. The remaining 90% of the energy remains with the organism to carry out its metabolic processes including decomposition or self destruction.
energy is captured for photosynthesis by
Answers
Answer:
Photosynthetic cells contain chlorophyll and other light-sensitive pigments that capture solar energy. In the presence of carbon dioxide, such cells are able to convert this solar energy into energy-rich organic molecules, such as glucose.
Answer:
Chlorophyll
Explanation:
Energy for photosynthesis is captured by chlorophyll molecules to get it used in photosynthesis
which of the following is an inhibitor of complex iv?choose one:a. cyanideb. antimycinc. rotenoned. oligomycin
Answers
The correct answer is (a) cyanide.
Cyanide is a well-known inhibitor of complex IV (also known as cytochrome c oxidase), which is the final enzyme complex in the electron transport chain. Cyanide binds to the heme group in cytochrome c oxidase and prevents it from transferring electrons to molecular oxygen, thereby blocking the production of ATP through oxidative phosphorylation. Antimycin A is an inhibitor of complex III, rotenone is an inhibitor of complex I, and oligomycin is an inhibitor of ATP synthase.
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the simplest method for identifying proteins that bind tightly to one another is co-immunoprecipitation. what protein was discovered to co-immunoprecipitate with adenomatous polyposis coli (apc) protein?
Answers
APC protein and β-catenin were found to co-immunoprecipitate. It was crucial to establish that APC is a tumors suppressor and that beta-catenin is a proto-oncogene thanks to the finding that the two interact.
The adherens junction (AJ) protein β-catenin was first discovered as a part of the cell-cell adhesion structures. AJs control cell proliferation and intercellular adhesion, which is essential for the development and upkeep of epithelial cell layers.
E-cytoplasmic cadherin's domain interacts with beta-catenin, which then binds E-cadherin to alpha-catenin. This process facilitates the E-cadherin complex's anchoring to the cortical actin cytoskeleton. According to studies, beta-catenin interacts with a number of signalling pathways, including tyrosine kinases, phosphatases, and Wnt/Wingless, as well as another cytoskeletal complex that contains the adenomatous polyposis APC coli protein and microtubules. Beta-catenin, cytoskeletal complexes, and signalling pathways may interact to control morphogene.
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g a. Kant is a deontological ethicist, Mill is a utilitarian, and Aristotle is a virtue ethicist. b. Aristotle is a deontological ethicist, Mill is a utilitarian, and Kant is a virtue ethicist. c. Kant is a deontological ethicist, Mill is a virtue ethicist, and Aristotle is a virtue ethicist. d. Mill is a deontological ethicist, Kant is a utilitarian, and Aristotle is a virtue ethicist.
Answers
The correct answer is **a. Kant is a deontological ethicist, Mill is a utilitarian, and Aristotle is a virtue ethicist**.
Immanuel Kant, a prominent figure in ethical philosophy, developed the concept of **deontological ethics**, which focuses on the inherent duty or obligation to perform certain actions regardless of their consequences. John Stuart Mill, on the other hand, advocated for **utilitarianism**, an ethical theory that aims to maximize overall happiness or minimize suffering by evaluating the consequences of actions. Lastly, Aristotle, a Greek philosopher, was a proponent of **virtue ethics**, a moral framework that emphasizes the development of moral character and the importance of virtues in achieving eudaimonia, or a flourishing life. These classifications help us better understand the different perspectives and approaches these philosophers took in exploring the concept of morality and ethics.
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How do human activities *affect the rate* that organisms become extinct
Answers
Answer:
Meat consumption and Industrialization
Explanation:
The rapid killing of animals to fill the hunger of humans have costed the lives of many animals while newer tactics involve keeping populations stable. Industrialization has a major effect on the pollution crisis, pollution took a massive toll on ecosystems.
the cell's series of tunnel-like membranes functioning in transport and storage are the
Answers
The cell's series of tunnel-like membranes functioning in transport and storage are called the endoplasmic reticulum (ER).
The rough endoplasmic reticulum (RER) is studded with ribosomes and is involved in protein synthesis, folding, and modification. The smooth endoplasmic reticulum (SER) lacks ribosomes and is responsible for lipid metabolism, detoxification of drugs and toxins, and calcium storage.
The ER serves as a transportation system for molecules within the cell, allowing for the efficient movement of proteins, lipids, and other substances. It also plays a crucial role in the synthesis and storage of cellular components.
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Starting from the sun, create a food chain including at least three organisms. Explain how energy is transferred through the chain.
Answers
Food chain is the process of of eaten and being eaten which involves the flow of energy.
Sun-plants-grasshopper-snake-egale.
What is the 10% law of energy transfer?As per to this rule, the 10% of transfer of energy is transmitted from one trophic level to the next trophic level.
The rest of the energy is lost during transfer of energy and during respiration. The first trophic level has the maximum energy.
Thus, Sun-plants-grasshopper-snake-egale, show the flow of energy.
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Develop an argument from evidence on how human activity can lead to ocean acidification? Further explain what we can do, as humans, to decrease the amount of ocean acidification occurring in aquatic environments.
Answers
Answer
Ocean acidification results from the solubility of CO2 in oceans increasing the H+ concentrations, and depletion of bicarbonates concentrations.
Therefore, human activities which increases the concentration of CO2 in the atmosphere, will raise the atmospheric CO2 concentration. CO2 is constantly being absorbed by green plants maintaining its concentration through carbon cycle,Therefore massive deforestation which removes green plants, cutting down photosynthesis is one of human activities which raises CO2 levels of the atmosphere.The CO2 dissolves in the oceans to raise its acidic levels.Lower pH.
Another source is fossil fuels emissions which add more CO2 to the atmosphere.
Explanation:
What is the isotope for 18 protons and 28 neutrons?
Answers
Which is a tough and rigid layer that surrounds plant cells, as well as some algal and bacterial cells?
cell wall
centriole
nucleus
cell membrane
Answers
The tough and rigid layer that surrounds plant cells, as well as some algal and bacterial cells, is called the cell wall. Therefore, the correct statement is option A.
What are the functions of cell wall?The cell wall provides mechanical support to the cell, thereby, protecting it from damage caused by external factors. The cell wall consists of complex carbohydrates, such as cellulose, lignin, etc.
The cell membrane is selectively permeable, and the cell wall is porous allowing the passage of some molecules. The cell wall also helps in cell communication and signaling.
The cell wall determines the shape of the cell and helps in the regulation of growth and development. The thickness and composition of the cell wall change with respect to different environmental conditions and helps in the survival and function of many types of cells.
Therefore, the tough and rigid layer that surrounds plant cells is called the cell wall.
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