Where does most of Earth's available carbon come from? А
the constant process of photosynthesis
B
sunlight that is transferred from the Sun to Earth
с
the convection process that occurs in Earth's mantle
D
dead organisms that are recycled back into the environment

A

Explanation:

I think im learning about that in class now

vote me brainliest plz i only have 1

white blood cells or wbc s are mainly 2 types-

1.agranulocytes

2.granulocytes

the monocytes or macrophages of agranulocytes , dendritic cells which are accessory leucocytes, and b cells which is one type of lymphocytes   identify the antigens present on the pathogen's surface. these three cells are called antigen presenting cells(apc) which are phagocytes and destroy the antigens by secreting antitoxins. besides this leukocyte is always plays vital role in the immunity of the body.

no i don't feel that humans have oversubscribed some medications