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Kamila [148]
3 years ago
8

On early earth,volcanic activity had a major effect on the composition of _____

Biology
1 answer:
Zarrin [17]3 years ago
4 0
Correct answer is Core.

The core can consist to the crust, mantle, etc. to the Earth. Volcanic activity comes straight from these areas and can compose these features.
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Carrot slices placed in a 0.2 M salt solution for several hours become flaccid (limp). Carrot slices placed in fresh water for s
SpyIntel [72]
<h2>Carrot in 0.2M salt solution</h2>

Explanation:

  • Carrot cuts put in 0.2M salt answer for a few hours gets flabby (limp).
  • Carrot cuts set in freshwater for a few hours gets <em>turgid  (firm).</em> From this, we can conclude that such as.  
  1. Freshwater is hypertonic and the salt arrangement is hypotonic to the cells of the carrot cuts.
  2. <em>Freshwater and salt arrangement are both hypotonic</em> to the cells of the carrot cuts.  
  3. Freshwater is isotonic and the salt arrangement is hypertonic to the cells of the carrot cuts.  
  4. <em>Freshwater is hypotonic</em> and the salt arrangement is hypertonic to the cells of the carrot cuts.  
  5. Freshwater and the salt arrangement are <em>both hypertonic to the cells of the carrot cuts.</em>
5 0
3 years ago
How do radiation and chemotherapy affect cancer cells?
elixir [45]

Answer:

They destroy the DNA or RNA

Explanation:

Cancer drugs work by damaging the RNA or DNA. The faster the cancer cells divide, the more likely it is that chemotherapy will kill the cells, causing the tumor to shrink. They also induce apoptosis. Radiation therapy is a cancer treatment that uses high doses of radiation to kill cancer cells and shrink tumors. The radiations also induce apoptosis. Cancer cells whose DNA is damaged beyond repair stops dividing and die. The damaged cells die, they are broken down and removed by the body.

7 0
3 years ago
Which statement describes a characteristic of a spiral galaxy?
artcher [175]

Answer:

If your just looking for a description here you go.

Explanation:

Most spiral galaxies contain a central bulge surrounded by a flat, rotating disk of stars. The bulge in the center is made up of older, dimmer stars, and is thought to contain a supermassive black hole. Approximately two-thirds of spiral galaxies also contain a bar structure through their center, as does the Milky Way.

Hope this helps.

4 0
3 years ago
Which statement accurately describes sinkholes in Florida?
nika2105 [10]

Answer:

For a sinkhole to form water must dissolve the limestone bedrock.

Explanation:

Underneath Florida is a layer of limestone bedrock which can be dissolved by water pretty easily which is why sinkholes are common in Florida.

8 0
3 years ago
Read 2 more answers
Choose the best definition for the term PHENOTYPE.
anyanavicka [17]
"The set of observable characteristics of an individual..." is what i found on google, so i'm guessing its a.

                  hope this helps :)
8 0
3 years ago
Read 2 more answers
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