When I researched this question it kept brining up the Elbow Joint.
Answer:
C. Extreme heat and pressure from deep within the earth causes changes to rock's appearance, structure, and composition.
Explanation:
Metamorphic rocks are formed by the physical or chemical alteration by heat and pressure of an existing igneous rock or sedimentary rock into a denser form.
B. an allele frequency changes in a population.
I think its B <span>DNA sequences that code for genetic instructions attach to phosphate groups that express an organism's physical traits. </span>
Answer:
Phobos
Phobos is nearing Mars at a rate of six feet (1.8 meters) every hundred years; at that rate, it will either crash into Mars in 50 million years or break up into a ring.
Explanation:
