Answer:
To verify their results
Explanation:
if they didn't then people wouldn't believe them and they would have no reason to
I want to say the liver and/or kidneys . . .
The palaeozoic started in a period in which invertebrates started proliferating rapidly and in large amounts, which was considered a historical event and the end of that gigantic era.
Hope it helped,
Happy homework/ study/ exam!
A beaker containing a certain substance has heat applied to it. The particles that make up the substance begin to move farther apart from each other. The change of state that could be occurring in the beaker is the substance is changing from a liquid to a gas.