Answer:
A. Blood is pushed through vessels
Explanation:
Heart muscles contract and relax. The most important effect of this action on the human body is Blood is pushed through vessels.
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Answer:
A national park is a reserved area of land owned by the government which is protected from industrialization, human exploitation, and pollution.
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Difference Between Wildlife Sanctuary, Biosphere Reserves and National Park.
Wildlife SanctuaryBiosphere ReservesNational ParksNot requiredSubject to the particular area of the biosphere reservePermission is required
<span>Distance is a scalar quantity that refers to "how much ground an object has covered" during its motion. Displacement is a vector quantity that refers to "how far out of place an object is"; it is the object's overall change in position.</span>
Answer:
B and D? or the second and fourth ones
Explanation:
I believe it is earth and Mars, if I’m wrong I’m very sorry
