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RoseWind [281]
3 years ago
13

Blood returns to the heart via the _____. a) aorta b) pulmonary arteries c) pulmonary veins d) aorta and pulmonary arteries e) a

orta and pulmonary veins
Biology
2 answers:
barxatty [35]3 years ago
7 0
C.) pulmonary veins
s344n2d4d5 [400]3 years ago
7 0

Answer:

c) pulmonary veins

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The two main types of chemical bonds are covalent bonds and van der Waals forces.<br> True or false
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lbvjy [14]

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Option B: Molecule 2

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