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notsponge [240]
3 years ago
5

1.

Biology
1 answer:
Leto [7]3 years ago
3 0
1. Sustainable 2. Environmental
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Explain how an evergreen tree stores water during months of little rain.
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Answer:

i think they are orignally from cold areas so they store water and moisture in there needles. and they stay green year round.

Explanation:

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Which method do you think best represents energy flow through ecosystems? Why?
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Pyramids of biomass display the weight of organisms at each level. Inverted pyramids of biomass can occur when the primary producer has a high turnover rate. Pyramids of energy are usually upright and are the best representation of energy flow and ecosystem structure.

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A. Continental polar air mass C. Continental tropical air mass
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Administration of which classes of medications can decrease secretions of the upper respiratory tract?
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The correct answer is - Cholinergic antagonists.

Explanation:

The cholinergic antagonist is a class of medication that is general terms of agents that bind with choline receptors such as nicotinic and muscarinic that inhibit the effect of acetylcholine and another agonist.

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Thus, the correct answer is - Cholinergic antagonist.

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