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miv72 [106K]
3 years ago
10

National parks reduce the human impact on land by _______. a. permitting limited human development. b. cleaning up litter c. pre

venting human development d. preventing companies from polluting on public lands
Biology
2 answers:
Sliva [168]3 years ago
4 0

Answer:

it is C for sure

Explanation:

lord [1]3 years ago
3 0
Answer – C (Preventing human development)

National parks are mainly established by national governments for conservation purposes, particularly the conservation of 'wild life' for future generations and as an emblem of national pride. National parks reduce the human impact on land by preventing human development.
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Spider silk is a material made of proteins that has a strength per gram that is five times that of steel. One feature of some of
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Answer:

glutamic acid, because the R group could form ionic bonds

arginine, because the R group could form ionic bonds

tryptophan and tyrosine, because the R groups are small, allowing close stacking

glycine and alanine, because the R groups are small, allowing close stacking

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3 years ago
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.  
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  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
If steel is more dense than lake water, why can a boat float? the average density of the boat, including the steel and air, is l
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Or <span>The average density of the boat, including the steel and air, is less dense than 1.00 g/cm³..</span>
4 0
4 years ago
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What are the two examples of prokaryotic cells
Tanzania [10]
Prokaryotic cells are cells without a nucleus and has simple parts free flowing in the cell. Some examples are Escherichia Coli Bacterium (E. coli). It is a rod-shaped bacterium commonly found in the lower intestine of warm-blooded organisms. And Streptococcus Bacterium. This prokaryote is responsible for strep throat. It is an infection of the back of the throat which includes the tonsils.
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3 years ago
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Cell population growth can be represented by the number ______ with an exponent, where the exponent increases by ______ in each
ollegr [7]

Answer:

Cell population growth can be represented by the number <u><em>2</em></u> with an exponent, where the exponent increases by <u><em> 1</em></u> in each generation.

Explanation:

As we know, every cell doubles after the process of cell division. Hence the cell population growth is represented by the number 2. The cell population growth is also known as the doubling time of a cell. The proliferation of cells is often written as:

Nt = N0 2tf

Where,

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f is the frequency of cell cycles

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