Question

Which is a hypothesis?

A.
Cooler temperatures cause leaves to change color in the fall.
B.
Leaves change color in the fall.
C.
Why do leaves change color in the fall?
D.
Leaves change color in the fall starting in late September.

Pls help me!!!

Answer 1

A.

Step-by-step explanation:

The 2nd one is a fact, the 3rd one is a question, and the last one is a fact. Only the first one is an assumption based on an observation.

Answer 2

A

Step-by-step explanation: