<span>Low lymphocyte count is the answer to the first one I believe
and the second one i believe is valves in the veins</span>
Answer:
There are both natural and human sources of carbon dioxide emissions. Natural sources include decomposition, ocean release and respiration. Human sources come from activities like cement production, deforestation as well as the burning of fossil fuels like coal, oil and natural gas.
Hope it helps!
Answer:
if im right should be B..............................