pork barrel is a metaphor for the appropriation of government spending for localized projects secure solely or primarily to bring money to Representatives District
Answer:
The first question is answer A. The question asks for the independent variable, meaning this variable doesn't depend on any other variable. B is the dependent variable because the life span depends on the vitamin.
The second answer is A, the control group. It cannot be the other groups because they aren't real groups. Independent and dependent are variables, not groups.
Answer:
D.
Explanation:
All of these factors cause movements of the Earth's atmosphere. D is the correct answer.
Melanin is the only one out of the 3 pigments that can contribute to skin color that is actually produced in the skin itself.
According to the research, Earth's mantle is hotter than the crust.
<h3>What is the Earth's mantle?</h3>
It is the solid layer that lies between the central core of planet Earth and the earth's crust.
Advancing towards the core of the planet, the Earth's mantle is hotter than the crust and is subject to greater pressures, so its physical properties and chemical composition will also vary.
Therefore, we can conclude that according to the research, Earth's mantle is hotter than the crust.
Learn more about Earth's mantle here: brainly.com/question/20145790
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