Answer:
They are rovers that are made to study Mars. For example, they can analyze the martian soil.
Hope this helps :)
plz mark Brainliest :3
Explanation:
I think the answer is C but i am sorry if i am wrong i took this test but i am pretty sure it is C have a good day and good luck on the test
Manipulated Variable:The speed working on maths problems
Responding Variable: The group that use¬ using a calculator
Controlled Variable:The same maths quetions
