Answer: A
Explanation:
In the electoral college, states have delegates that elect the president. The number of each state's delegate count is decided based off the number of members the state has in the U.S. Congress. California and Texas will have more delegates than Vermont and Wyoming, since they have more members in Congress.
<span>Members of a species interact in groups called populations. Populations of different species living and interacting in an area form a community.</span>
Answer:
Experimental Research.
Explanation:
Experimental research is a research method based on scientific approach. The research helps to understand the cause-and-effect relationshio between the two variables, namely independent and dependent. Independent variable manipulated while dependent variable remains constant.
<u>In the given case, Caterpillar is using the experimental research method. Caterpillar is trying to understand the cause-and-effect relationship between the two variables-- the operators and two types of steering mechanisms, in which dependent variable-- the operators, remains constant, and steering mechanisms is manipulated.</u>
Thus the experimental research method is the correct answer.
