Answer:
Using a control group means that any change in the dependent variable can be attributed to the independent variable.
Explanation:
The correct answer would be coal.
Answer: A
Explanation:a force is baisicly a vector that has a certain direction and magnitude the more magnitude it has in the direction its pulling the faster the object effected by it will go to it. it seldom is the stregnth with most forces it just depends on magnitude
A model that depicts population change through time is called "Demographic Transition." It is based on an analysis of observable shifts in birth and mortality rates in industrialized civilizations during the previous 200 years, which American demographer Warren Thompson started in 1929.
The demographic transition model developed by Warren Thompson explains how a nation's population varies over time. The assertion made is accurate. The demographic transition of Warren Thompson demonstrates how, over time, a country's population changes.
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