Idenity the process that occurs within the sun that converts mass into large amount of energy

How does the molecular clock work? a. it analyzes the brain functionality of two different species.b. it examines and compares the physical characteristics of two different species.c. it illustrates relationships between two different species.d. it compares the number of mutations that exist in the dna of two different species.

Nerve cells are specialized to respond to stimulitrue or false?

What must be done to breed dogs for a partical trait