Sorry if I’m wrong but I believe it’s the cardiovascular and lymphatic system
Hope this helps!
A. to find out if a hypothesis is correct.
Seasonal changes occur because of earth's tilt
The answer tot his question is:
<span>Fill in the blank.
</span>A scientific ___________ is a proposed explanation that can be tested."<span>Scientific Theory."
Hoped This helped, </span><span>
Jaylamariejohsov5zsb
Your Welcome:) </span>