Answer:
crossing over
Explanation:
Crossing over is where homologs can exchange DNA which leads to genetic variation
Answer:
The Power of Food
Cholesterol can combine with fat, calcium, and other substances in the blood to form plaque. Plaque then slowly builds up and hardens in the arteries, causing them to narrow. This buildup of plaque, a condition called atherosclerosis, can lead to heart disease, heart attack, and stroke.
Explanation:
pa brain lest thank you°^°
Subtract the atomic number from the atomic mass to get the neutrons
When carbon is exchanged along the biosphere