Answer:
c. dissolved
Explanation:
the energy to be dissolved is not high.
D. He controlled variables by studying one or two traits at a time
Answer:
Any letter over H.
Explanation:
Assuming no overturning took place, all fossils that are above the (d i k e) are younger than the (d i k e) as the fossils that are above the (d i k e) are still visible.
Birds, just like humans, have a four-chambered heart.