Which statements describe the movement of blood through the heart? Select two options.

A Blood from the veins enters the ventricles.

B Atria and ventricles contract at the same time.

C Atria push blood into the ventricles.

D Valves allow for two-way blood flow.

E Ventricles push blood out of the heart.

the best answer is, earth strong )

explanation:

the rocks are classified by the geological process they are formed by. the three main groups of rocks are igneous, metamorphic, and sedimentary. minerals are not they are classified under the chemical classes they are in. these groups include silicates, sulfates and carbonates.

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