What is photosynthesis

Photosynthesis happens in the leaves of a plant.

This is a chemical reaction, which takes place inside a plant, producing food for the plant to survive. For photosynthesis to take place, carbon dioxide, water and light are needed.

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Photosynthesis is the process by which plants make their food.

Explanation:

photosynthesis in plants involve the green pigment called chlorophyll and generates oxygen as by-product.

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.