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Answer:
I believe water can go across the membrane. I hope this helps.
Answer to #1:
<span>Kilograms
Explanation:
The base metric unit of mass is grams.
Pounds also measure weight, but they are part of the imperial system.
Answer to #2:
Mass
Explanation:
Mass is how much space an object takes up, it is the amount of matter in an object.
Volume, on the other hand, is how much space an object takes up.
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Answer:
B
Explanation:
Carbon dioxide is a by-product of cellular respiration. To remember this just think "I breath in oxygen to make ATP, and when Im done I exhale carbon dioxide"