A metamorphic rock is a type of rock which has been changed by extreme heat and pressure. so must be option D
The Calvin cycle (also known as the Calvin–Benson cycle) is the set of chemical reactions that take place in chloroplasts during photosynthesis. The cycle is light-independent because it takes place after the energy has been captured from sunlight.
Synovial joint most common occuring type of joint, which also produces greatest kind of movement
<span>The san Andreas fault
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