The answer Is the letter D
Albert, a student researcher, varies the amount of food given to rats in an experiment to measure the effect on their learning behavior. In albert's study, the amount of food given is the independent variable.
An independent variable is under the control of the experimenter. Independent variable does not depend on the other variables involved in the experiment. Since the amount of food is varied, it is not depending on other variables like size of mice, weight, etc.
The armpit isn't the most precise but it is close. Under the tongue, across the forehead, as long as you have the proper tools (thermometer, the thermometer meant for foreheads) you should get a fairly accurate reading.
Answer:
Everything else is the same. Just like DNA, G and C are paired together. But on RNA, the A is different. It’s not paired with T, but with U.
RNA pairs:
A - U ( Adenine to Uracil )
G - C ( Guanine to Cytosine )
Answer :
Dean Winchester is the older of the two Winchester Brothers, he fights monsters.
Explanation:
