Answer:
The rock cycle is driven by two forces: (1) Earth's internal heat engine, which moves material around in the core and the mantle and leads to slow but significant changes within the crust, and (2) the hydrological cycle, which is the movement of water, ice, and air at the surface, and is powered by the sun
Explanation:
Yes, heterozygous recessive is a thing it is a particular gene that has identical alleles its has the same letters for a dominant trait it's (XX) and for a recessive is lowercase (xx) just remember the alphabet the D is first then the R so D is capital and R is lower case
