Question

question 21
what is hypothesis?
a testable explanation
b prediction statement
c new theory
d uncertain prediction

Explanation:

A hypothesis is an educated guess that can be tested through experiments or observations. It is a proposed explanation for a phenomenon. It's not just a prediction (B), as it has a basis in existing knowledge and is testable. It's not a new - theory (C) as a theory is a well - established and comprehensive explanation. An uncertain prediction (D) lacks the testable and explanatory nature of a hypothesis.

Answer:

A. Testable explanation