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IrinaK [193]
3 years ago
15

As a tornado passes across the farmland, it can blow away as much as 5cm of topsoil. What impact does this most likely have on t

he local ecosystem?
Biology
2 answers:
cluponka [151]3 years ago
7 0

Answer:

i Belive the anwer is D

Explanation:

Elina [12.6K]3 years ago
6 0
I think and believe the answer is D
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Economists often use an economic model that reflects the total amount of goods and services required at all possible price level
pshichka [43]
The answer is letter D.
<span>
Economists often use the aggregate supply and demand model to reflect the total amount of goods and services required at all possible price levels during a specific period. It reflects the overall price of foods and services in an economy for a given period and is often illustrated with the supply-demand curve. This shows the relationship between price levels and quantity of output that a particular firm is willing to provide to the general public.</span>
6 0
3 years ago
Which of the following organisms is a heterotroph?
Mamont248 [21]

Answer:

a mushroom is a heterotroph

the main difference between fungi and plants: Fungi=heterotroph, plants=autotroph

Explanation:

7 0
3 years ago
Read 2 more answers
Question 3
serious [3.7K]

Bases release OH- ions in solutions, whereas Acids release H+ ions in solutions

8 0
2 years ago
Oxygen in the atmosphere is produced by _________________ by green plants.
Ronch [10]
That would carbon dioxide


3 0
3 years ago
Q:- In dogs, the Mexican hairless phenotype never breeds true. When Mexican hairless are interbred the offspring are 2/3 hairles
drek231 [11]

Explanation:

The problem says that the hairless phenotype never breeds true. That means that it's not the result of a homozygous genotype (H₁H₁ or H₂H₂), so it is caused by the heterozygous genotype (H₁H₂).

The <u>expected </u>offspring from the cross between two Mexican hairless would be:

<h3>P                 H₁H₂  x  H₁H₂</h3><h3>F1    1/4 H₁H₁,  2/4 H₁H₂ and 1/4 H₂H₂.</h3>

And the <u>expected</u> phenotypic ratio 3:1. However, the observed offspring shows a 2:1 ratio. What's happening?

If the observed phenotypic ratio in the offspring of a monohybrid cross (a single gene with two alleles) is 2:1, we can suspect that one of the genotypes is lethal in homozygosis and therefore does not appear in the progeny (the puppies are born dead).

If we proposed that the H₂ allele is lethal in homozygosis, then:

  • The H₁H₁ genotype would cause normal puppies --> 1
  • The H₁H₂ genotype would cause hairless puppies --> 2
  • The H₂H₂ is lethal and causes the death of puppies --> 0

The phenotypic ratios change to 2:1, as observed in the experiment.

7 0
3 years ago
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