Working around others or in any public place
Answer:
B-your arms and shoulders
1 is Exercising
2 is bodies
3 is mechanics
Corals. Corals are organisms in the ocean that serves as a shelter, niche and other vital functions for sea creatures. Because of human interference and man-made pollution, either this contact is direct or indirect they are being affect at a greater rate, even extinction. Thank you for your question. Please don't hesitate to ask in Brainly your queries.
Sinotrial node or the SA node
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