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Answer:
The y-axis of a graph gives the units for the dependent variable.
Explanation:
Dependent variable is the variable being tested and measured in an experiment, it depends on the independent variable.
Endocrine system is involved in this
The area of study is called political science
Answer: B
Explanation:
Evolution is a process of elimination. the traits that are successful and help them survive are kept for the next population, because they are abet o survive to repopulate. So its improvement.