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3 years ago

What happens when a space shuttle reenters the atmosphere?

Biology

2 answers:

STALIN [3.7K]3 years ago

7 0

Answer:

Although it causes drag, it also causes intense heat. Specifically, shuttles face intense temperatures of about 3000 degrees Fahrenheit (about 1649 degrees Celsius) [source: Hammond]. Blunt-body design helps alleviate the heat problem.

Explanation:

pantera1 [17]3 years ago

6 0

Answer:

Atmospheric entry is the movement of an object from outer space into and through the gases of ... For Earth, atmospheric entry occurs by convention at the Kármán line at an ... When atmospheric entry is part of a spacecraft landing or recovery, ... of a spacecraft that is travelling at hypersonic speed as it enters an atmosphere ...

Explanation:

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The production of sperm begins at puberty when spermatogonia undergo meiosis I to form primary spermatocytes, which then undergo

worty [1.4K]

Answer:

False

Explanation:

Primary spermatocyte is produced by mitotic division of spermatogonia cells not by meiosis 1 and thatswhy primary spermatocyte is dipploid..
Primary spermatocytes goes to Meiosis I and produce secondary spermatocytes.
Secondary spermatocytes goes to meiosis II to produce round spermatids.
Spermatids form the spermatozoa ( a complete mature sperm cell).

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3 years ago

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The development of herbicide resistance in populations of weeds over several generations is an example of___________.

bezimeni [28]

Answer: Evolution

Explanation:

Evolution can be defined as the change in the characteristics of the species over a period of time which basically relies on the process of the natural selection.

The characters that allows the survival of the organism is favored and is known as the survival of fittest which is a natural selection.

This is known as evolution in which the herbicide resistant plant is favored more and has developed over a period of time.

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3 years ago

A dog's pituitary gland produces the hormone ACTH, which stimulates the adrenal glands to secrete cortisol. Cortisol helps regul

Ne4ueva [31]

B. An excess of ACTH

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3 years ago

Identify the low-pressure areas on the map.<br>

navik [9.2K]

Answer: the low-pressure areas on the map are the purple triangle and half circles

Explanation:

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3 years ago

Mesenger Rna carries and ____ of the DNA’s instructions out of the nucleus to the _____

dimaraw [331]

Answer:

Mesenger Rna carries a transcript of the DNA’s instructions out of the nucleus to the ribosome.

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4 years ago

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