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Karolina [17]
3 years ago
12

Why do you think watering is not necessary in this bottled ecosystem

Biology
1 answer:
yulyashka [42]3 years ago
4 0

Answer:

You can buy tiny sealed marine ecosystems enclosed in glass. ... like the one in your bottle, you will need to establish an ecological balance in order for all of ... if you have too many animals consuming oxygen and not enough plants ... Water is consumed by both plants and animals, but is also excreted, purified, and reused.

Explanation:

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He’s sexual orientation would be homosexual
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The time at which the Moon rises changes by about 50 minutes every day. Why is this the case?
r-ruslan [8.4K]

Answer: because all planets move

Explanation:

5 0
3 years ago
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Your friend brings you rocks with a thick layer of oxidation weathering, and no other visible signs of weathering. this is a clu
Vsevolod [243]
<span>A moist environment because physical weathering processes such as oxidation take place most quickly in the presence of water. There are three types of weathering, physical, chemical, and biological. For the physical weathering, there are two main types. Freeze-thaw cycles and exfoliation. Obviously the freeze-thaw cycles require water and the exfoliation generally happens through thermal expansion and contraction which doesn't require water. But since neither of these mechanisms were observed, that doesn't indicate if the area was wet or dry. Biological weathering is caused by plants or animals breaking down rocks via chemical (acid) or mechanical (root growth) means. Life generally indicates the presence of water, but since this form of weathering wasn't observed, we still don't have enough data. Chemical weathering is caused by rain water reacting with the rocks to form new minerals and salts. There are several types such as acidic rainwater dissolving part of the rock, and oxidation. With this in mind, let's take a look at the available options. A moist environment because there is a greater density of oxygen in the atmosphere in the presence of water. * Yes, we need a moist environment, but the density of oxygen is fairly constant world wide regardless of how moist or dry the environment is. So this is a bad choice. A moist environment because physical weathering processes such as oxidation take place most quickly in the presence of water. * Water speeds up chemical weathering of all types. So this is the correct choice. A dry environment because the increased albedo of deserts encourages physical weathering processes such as oxidation. * Yes, the increased albedo of deserts does speed up spalling, but oxidation is a CHEMICAL weathering process, not a PHYSICAL one. So this is a bad choice. A dry environment because in the absence of water oxidation is the dominant weathering process. * Water speeds up oxidation quite a bit. And since the observed oxidation is thick, there's been quite a bit of weathering. So this is a bad choice.</span>
6 0
3 years ago
By age 65, what percentage of adults are grandparents? 75 80 85 90
frutty [35]
85% of adults are grandparents by age 65. This estimation has been made in the U.S. from the surveying of the elderly. So, the correct choice is the third option: 85. 

Let me know if you need further info. :)

                - Dotz
7 0
3 years ago
Identify the choice that best completes the statement or answers the
mixer [17]
Evaporation of the liquid
4 0
2 years ago
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