Question

Omar wrote a hypothesis about batteries called dry cells.

If more dry cells are connected end to end, a light bulb will work longer because there is more energy available.

What are the variables in his hypothesis?

Answer 1

The answer is not c I believe it is A

Step-by-step explanation:

Answer 2

The hypothesis is
If more dry cells are connected end to end, a light bulb will work longer because there is more energy available.

The variables are
the number of dry cells connected end to end
the duration of the light bulb working