Answer:
The mass of 3.5 moles of Ca is 140 g to two significant figures.
Explanation:
Answer:
Water transports important nutrients throughout the plant.
Explanation:
Much like blood in an animal, water is necessary for a plants survival, as it transports important nutrients from the soil all through the plant's stems and leaves.
Answer:
A. change speed, direction, or both
Explanation:
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