Species form of a small cells under the water when the earth was contain some alive creature in it. It's a theory.
Hope I get brainliest.
Answer:
Both A and R are true. And R is the correct explanation of A.
Answer:
Explanation:
Synovial joints, often referred to as joints, are composed of two or more bones with a gap between the opposite bone surfaces, connected only by the fibrous connective tissue membrane around them. The synovial joint is the main form of bone joint and has great mobility.
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