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2 years ago

Which hypothesis is correctly written

Biology

1 answer:

cricket20 [7]2 years ago

6 0

Answer:

A hypothesis is usually written in the form of an if/then statement, according to the University of California. This statement gives a possibility (if) and explains what may happen because of the possibility (then). The statement could also include "may."

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Greenhouse gases are essential to support life on earth. Please select the best answer from the choices provided

ddd [48]

True. Greenhouse gases are composed of many molecular components that provide and are necessary for life to still exist on earth. For example, the carbon dioxide and the others alike. However, when these exceed the necessary level and amount in the atmosphere, they cause tremendous increase in temperature.

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3 years ago

Read 2 more answers

Which of the following pieces of evidence DOES NOT support Wegner's Theory of Continental Drift?

11111nata11111 [884]

I've looked us up ever since you posted it the only thing I can come up with is letter A because it talks a lot about Mountain chains that talks a lot about the ocean floor and the Hawaiian stuff so try a

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3 years ago

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Please select the word from the list that best fits the definition:

mel-nik [20]

Answer:

*magnetic reversal

*magnetic minerals

*fossils

*sea-floor spreading

Explanation:

so all are right EXCEPT  *continental drift

3 0

2 years ago

Read 2 more answers

small group of 100 people decide to isolate themselves from the world and move to a small and remote deserted island. Out of thi

irina [24]

Answer:

Frequency of p $= 0.684$

Frequency of p $= 0.316$

Number of individuals with homozygous dominant (AA) $= 47$

Number of individuals with heterozygous (Aa) $= 43$

Number of individuals with homozygous recessive (aa) $= 10$

Explanation:

Out of 100 people, 10 have albino skin (aa)

So, the frequency of homozygous recessive individuals $(q^{2})$ is $\frac{10}{100} = 0.1$

Now, q will be

$= \sqrt{q^{2} } = \sqrt{0.1} \\= 0.316$

As per Hardy Weinberg's equation -

$p + q = 1$

Substituting the value of q in above equation, we get -

$p + 0.316 = 1p = 1 -0.316\\p = 0.684$

Now the frequency of homozygous dominant (AA) will be

$p^{2} = 0.684^{2} \\= 0.467$

Hence, out of 100 people $0.467 * 100 = 46.7 or 47$ people are homozygous dominant (AA)

Like wise out of 100 people $0.1 * 100 = 10$ people are homozygous recessive (aa)

As per As per Hardy Weinberg's equation-

$p^{2} + q^{2} + 2pq = 1\\$

Substituting the values in above equation, we get -

$0.467 + 0.316 + 2pq = 1\\2pq = 1 -( 0.467+ 0.1)\\2pq = 0.433$

So, out of 100 people $0.433 * 100 = 43.3 or 43$ people are heterozygous (Aa)

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3 years ago

What are the 2 types of building blocks for lipids?

NISA [10]

The building blocks of lipids are one glycerol molecule and at least one fatty acid, with a maximum of three fatty acids.
Hope this helped you, and have an amazing day.

6 0

3 years ago