I Believe the answer is DNA so answer choice C
Answer:
First
Explanation:
S-waves arrive first at a seismic station
A. external
These types of signals are observed when there is a cut on the body. The epidermal cells lose contact with one another and divide faster until they are in contact once again. After they come into contact, division slows down again.
Hemoglobin serves as a chemical messenger
Answer:
population density is the answer of the question
