Answer:
A
Explanation:
I dont really know i just guessed i dont get this type of stuff
Answer:
number 1: heat from the sun or solar energy
The correct answer is (c) discover antigens in body fluids.
B lymphocytes act as antigen presenting cells that recognizes and displays the antigen to the white blood cells. These cells process the antigens that are present in body fluids. Professional antigen presenting cells includes B-lymphocytes, macrophages, dendritic cells, etc.
It is caused by the atmosphere of the Earth. It is due of the scattering of light by the atmosphere. When the moon is near the horizon, the moonlight must pass through much more atmosphere than when the moon is directly overhead.
That is correct, a good description of the HYPODERMIS. Hence many syringes get the name "hypodermic" needles.
