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Liula [17]
3 years ago
13

One traditional flood control method has been to attempt to keep the streams flow within it's channel by creating_____?

Biology
2 answers:
ser-zykov [4K]3 years ago
3 0
Dams, raised banks, there are a few things it could be
BlackZzzverrR [31]3 years ago
3 0
Dams, because dams block water from one side of a river or body of water, so it does not flow into cities. 
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all of these affect enzyme activity

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3 years ago
HELP ASAP: <br><br> how many trials did it take for half of the virtualium atoms to decay?
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6 0
3 years ago
What does a plant cell have that an animal cell doesn't have?
azamat
A plant cell has chloroplasts.
 An animal cells doesn't.
4 0
3 years ago
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What did Jean-Baptiste Lamarck believe about traits such as large muscles that are acquired during one's lifetime?
Kipish [7]

<span>The answer is they can be passed on to offspring.</span>

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<span>In his theory, Lamarck proposed how species adapted to the changed environment by passing down acquired physical traits to the next generation. But, after Charles Darwin published his theory of evolution, Lamarck's theory was rejected. Now, it is known that acquired physical traits could not be inherited and epigenetics is a good proof for that.</span>

8 0
3 years ago
A population of horses has individuals that are either gray or chestnut colored. The gray color allele, G, is dominant over the
Dahasolnce [82]

We solve the problem using the Hardy-Wineberg equation.

We have the frequency for gray trait as p =  = 0.8

∴ p² = 0.64

64 % of the horses are homozygous for the gray trait.

Solving for the frequency of white chestnut trait by using the fact that,

p + q = 1

∴ q = 1 - p = 1 - 0.8 = 0.2

Now we can calculate 2pq in p² + 2pq + q², which is the frequency for heterozygous gray trait,

∴ 2pq = 2 x 0.8 x 0.2 = 0.32

Therefore, in a population of 100 horses, 32% are heterozygous for gray trait.

Hence the total number of gray horses in a population of 100 will be,

32 (heterozygous gray horses) + 64 (homozygous gray horses) = 96 (gray horses)

Hence, 96% of the horses are gray in color.

6 0
3 years ago
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