Individuals with the blood group O Rh negative are called “universal donors” because their red blood cells can be transfused to people of all blood groups.
Nitrogen fixing bacteria called rhizobia
The amount of sunlight hitting an area near the equator would be more direct and hotter in temperature, rather than hitting the poles. Since the sun hits the most direct at the equator, the poles will not get as much sunlight because they are much farther away from the equator.
Answer: cardiovascular system.
Explanation:
The circulatory system, also referred to as the cardiovascular system or vascular system, is an organ system that enables nutrients (such as amino acids and electrolytes), oxygen, carbon dioxide, hormones, and blood cells to and from the body's cells to circulate and carry food.
C is the most likely answer to this question.