2 alleles which are both equally expressed is known as co-dominance, this occurs in the blood when someone has AB blood for example, the A and B alleles have co-dominance.
One way is that Igneous rock could erode and become sediment and deposited and slowly change into sedimentary rock, then get pushed down deep into the crust and changed by heat and pressure into metamorphic rock.
The place where an organism lives
C is the answer because water and carbon dioxide are left over after and
mitochondria is the thing in the cell that converts everything.