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Elenna [48]
3 years ago
5

Explain how oral contraceptives work to prevent pregnancy

Biology
1 answer:
dezoksy [38]3 years ago
5 0
They give off hormones in which prevent obvulation. 
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4. Haploid cells have
Lisa [10]

Answer:

Haploid cells contain a single set of chromosomes. Gametes are an example of haploid cells produced as a result of meiosis. Examples of gametes are the male and female reproductive cells, the sperm and egg cell respectively.

Explanation:

Haploid describes a cell that contains a single set of chromosomes. The term haploid can also refer to the number of chromosomes in egg or sperm cells, which are also called gametes. In humans, gametes are haploid cells that contain 23 chromosomes, each of which a one of a chromosome pair that exists in diplod cells.

3 0
3 years ago
About how much of the surface of the Earth can be used to grow our food
Irina18 [472]

ANSWER:

About 11 percent of the Earth's surface is used to grow crops...

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HOPE THIS HELPS!!!

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5 0
3 years ago
The membranes that surround and protect the brain and spinal cord are called
ch4aika [34]
The membranes that surround and protect the brain and spinal cord are called meninges. 
3 0
4 years ago
An international company has 24,900 employees in one country. If this represents 34.8% of the company's employees, how many empl
Brrunno [24]

Answer:

There are a total of <u>71,551 employees</u> in the company.

Explanation:

Let the number of employees in the company be 'x'.

Given:

Number of employees in one country = 24900

As per question:

34.8% of total employees = 24900

⇒ 34.8\%\times x=24900

\frac{34.8}{100}\times x=24900\\\\0.348x=24900\\\\x=\frac{24900}{0.348}\\\\x=71,551.7\approx71,551

So, there are a total of 71,551 employees in the company.

7 0
3 years ago
1. MAINIDEA Explain how chemical energy is formed from the conversion of
Contact [7]
Some of the light energy is converted to chemical energy. During this process, a phosphate is added to a molecule to cause the formation of ATP. ... The ATP then provides energy to some of the other photosynthetic reactions that are causing the conversion of CO2 into sugars. During photosynthesis, energy from sunlight is captured and used to produce sugar molecules.


7 0
3 years ago
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