Fatima is watching her pet cat, winter, napping in the sun. fatima is curious about the heart rate of winter when she is napping, so she develops this scientific question: does a cat's heart rate change while it is napping? she decides to develop a hypothesis to test this scientific question. what could fatima's hypothesis be?

The hypothesis is; A cat's heart rate changes while it is napping.

A hypothesis is a tentative statement which could be proved or disproved by subjecting it to rigorous experimentation.

A hypothesis is coined in line with the question that the experiment seeks to answer.

In this case, Fatima's question is; Does a cat's heart rate changes while it is napping?

So the hypothesis must be;  A cat's heart rate changes while it is napping.

Learn more; link

Explanation:

There are two hypotheses she could test:

A cat's heart rate changes while it is napping.

A cat's heart rate does not change while it is napping.

think its the third option

a straight line sloped