B. Allele is a form of gene.
Answer:
The last two options I'm pretty sure
Explanation:
In the earth’s mantle , large amounts of heat are transferred by convection currents, which would cause the heat from the core and the mantle itself causes convection currents in the mantle . The hot rocks eventually will cool and sink back through the mantle which will make the cycle repeat which would be the cycle of rising and sinking .
A specific location or point on a map.
Answer:
B.
Explanation:
plants produce oxygen in photosynthesis