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Svetllana [295]
2 years ago
10

What is a control group?

Biology
2 answers:
Marina CMI [18]2 years ago
6 0

Answer:

B. An experiment that you don't change any variables.

MrRa [10]2 years ago
5 0

Answer:

B. An experiment that you don't change any variables.

Explanation:

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What could you make or do to make sure your bean plants stay upright and don’t fall down?
nlexa [21]

Answer:

I got this off of g o o g l e

Explanation:

I put pairs of small fence posts (one on each side) down the row. I then tied twine to the fence post and ran it on either side of the plants. This keeps them from falling over to the side. If you plant thick enough they won't fall to the front or back.

7 0
3 years ago
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PLZ HELP HAVE 10 MINUTES ON THE TEST LEFT While all the food crops contribute to nutritional health ______ are the most importan
Readme [11.4K]

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Humanitarian aid are the most important to famine conditions

5 0
2 years ago
In a river, large boulders are transported by _____.
pychu [463]
The correct answer is B. Traction.

Traction is the force that generates movement of objects that have a desire to remain immovable.
6 0
3 years ago
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If a certain organism is a secondary consumer, what best explains its position in the food web?
SVETLANKA909090 [29]

Answer:

Y because organism y feed on herbivore

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4 0
2 years ago
In sheep, white vs yellow body fat is determined by a single pair of autosomal alleles. In a large, randomly mating flock, 23 pe
Drupady [299]

Answer:

Option A , The allele for yellow is dominant to white

Explanation:

It is given that 23 percent of the sheep have white fat and 77 percent have yellow fat.

Thus, it is clear that sheeps with yellow fat is a dominant characteristics.

Usually, the frequency of homozygous recessive allele in a given population is represented by  q^2

and here q^2 = 0.23

Frequency of allele for white fat = q = \sqrt{0.23} \\q= 0.479

While frequency of homozygous dominant allele and heterozygous dominant allele is represented by p^2+2pq\\

And here p^2+2pq = 0.77

Allele for yellow fat = 1-q\\= 1-0.479\\= 0.521

Hence, option A is correct.

8 0
3 years ago
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