Which of these statements is true regarding chlorophyll?

it is the rarest type of pigment in leaves.

it is the only type of pigment in leaves.

it is not the only photosynthetic pigment.

there is only one kind of chlorophyll

It is not the only photosynthetic pigment.

Explanation:

Chlorophyll is the green colouring matter in some leaves.

Chlorophyll is one of the pigments possessed by leaves.

Photosynthesis is the process through which plants make their own food.

Chlorophyll in the presence of sunlight synthesize food from carbon dioxide and water.

Chlorophyll is the only green pigment in leaves which carries out the process of photosynthesis.

the answer is a) cell division.

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the correct answer is 4) heat and pressure

metamorphic rocks arise from transformation of existing rocks types, in a process called metamorphism. during metamorphism the original rock(prolith) change into metamorphic rock by heating (150-200c) and pressure of more than 1000 bar. the original rock can be sedimentary, igneous, or existing metamorphic rock.