If the Earth were a disk with its surface perpendicular to the rays of sunlight, each point on it would receive the same amount of radiation. <span> However, the Earth is a sphere and aside from the part closest to the sun, where the rays of sunlight are perpendicular to the ground, its surface tilts with respect to the incoming rays of energy with the regions furthest away. Hope this answers the question.</span>
I think the correct answer among the choices is option B. When antibodies are produced by lymphocytes, the body is conducting adaptive immunity. It is also referred to as acquired immune system. Adaptive responses are carried out be the white blood cells.
Anaerobic breakdown of glucose produces lactic acid, which accumulates in the tissues and blood.
