How is the circulation of a fetus different from the circulation of a baby? A. The fetus has blood with no oxygen in it.

B. The fetus does not pump blood throughout its body.

C. The fetus does not use its lungs to bring oxygen to the blood.

ENESTE

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D. The fetus breathes carbon dioxide instead of oxygen.

Plz plz plz quick! 49 points for whoever which of the following statements about greenhouse effect is true? *life on earth is suffering because of greenhouse effect *the greenhouse effect is caused by human activity *all greenhouse gases are harmful *life on earth would not exist without the greenhouse effect

Plz quick a natural resource that is replaceable through a cycle in nature or sustainable practice is called a? the subject is science

Do plant cells perform cellular respiration?