2. which describes the variable that is changed to test the prediction?

Question: Which describes the variable that is changed to test the prediction?

A)dependent

B)experimental

C)control

D)independent

The variable that describes the changed to test the prediction is "independent."

Explanation:

The independent variable is the factor which gets changed or can be controlled to see its effect over the experiment. Only the independent variable responds to the changes. The independent variable will be shown on the x- axis. The age and time are two different independent variable. These two factors are independent of everything else. The variable which can be easily manipulated during the experiment is called as the independent variable.

the sugar-phosphate backbone forms the structural framework of nucleic acids, including dna and rna. this backbone is composed of alternating sugar and phosphate groups, and defines directionality of the molecule.