Question

scientists start by asking a question about something. what is the initial explanation to that question called?
a law
b theory
c observation
d hypothesis

Explanation:

A hypothesis is an initial proposed explanation made by scientists to answer a question, based on limited evidence as a starting - point for further investigation. A law describes a natural phenomenon, a theory is a well - established explanation, and an observation is the act of noting something.

Answer:

D. hypothesis