Answer:
Which of the following words is an auxiliary or helping verb? Could
Which of the following words is NOT a form of the verb "to be"? Will
The plane flew through the air. Flew
My dog is tired. Tired
The choir sings many songs. Sings
Explanation:
Answer:
(C) Controls
Explanation:
The definition of a control variable in an experiment is a part of it that is experimented, but it is purposefully kept the same throughout. If it is (C), why can't it be the others? Well, it cannot be (A) because it the dependent variable is the thing that is being measured in the experiment, so it will change over time, and not going to be kept the same. Lastly, it cannot be (B) theories because theories are always changing. Theories, due to new scientific knowledge, is going to be different as scientists learn new things. Therefore, (C), controls would be your answer. Hope this helps!
U should’ve put a picture
