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ruslelena [56]
3 years ago
6

Which statements about human sperm cells are true? choose all that apply

Biology
1 answer:
Serhud [2]3 years ago
8 0

Answer:

The answer is B and D which they have 23 chromosomes

Explanation:

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Help me with question 24 giving people brainlist
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Huntington disease is a dominant autosomic disease so it presents either in heterozygosity (Aa) or in homofzigosity (AA)

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6 0
3 years ago
What are the levels of organization in biotic factors?
Nuetrik [128]

Nivel subatómico: lo integran las partículas más pequeñas de la materia, como son los protones, los neutrones y los electrones.

Nivel atómico: lo componen los átomos, que son la parte más pequeña de un elemento químico que puede intervenir en una reacción.

Nivel molecular: está formado por las moléculas, que se definen como unidades materiales formadas por la unión, mediante enlaces químicos, de dos o más átomos, como por ejemplo una molécula de oxígeno (O2) o de carbonato cálcico (CaCO3).

Espero te sirva

7 0
3 years ago
When did the Prairie Schooner begin to be used for travel?
LiRa [457]
It should be 1830 or a possibility of 1850
4 0
3 years ago
Which of the following is more common today?
Keith_Richards [23]

Answer: b. photochemical smog

Explanation:

Photochemical smog is the most common type of smog. It is produced when the ultraviolet rays in sunlight reacts with the nitrogen oxides present in the atmosphere.

It can be seen as visible brown haze. It can be seen in morning and in afternoon. It can be seen in cities which are densly populated.

The largest contributor to the formation of photochemical smog are automobile emission, and coal power plants.

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3 years ago
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