Question

Which question is testable?

A.How does changing the amount of water affect the growth of corn?


B.Is it ethical to use human tissue removed during surgery for scientific research?


C.Are you happy with your new job?


D.Will people be disappointed if car insurance rates increase?

Answer 1

A; if the subject is biology, this is the only one that makes sense. You could conduct an experiment to test the water's effect on the growth of corn by using different measures of water on corn plants to see the differentiation among each.

Answer 2

A). How does changing the amount of water affect the growth of corn.

Step-by-step explanation:

Option A is a quantitative measurement whereas options B, C and D are qualitative measurement. These options cannot be analysed by any mathematical tool or by any scientific reasons. Peoples emotions and logical reasoning are involved in it that includes ethics, happiness or disappointment. Only option A can be evaluated or can be tested by some scientific reasons. So only option A is testable.