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zheka24 [161]
3 years ago
10

Which object does NASA plan to design and use to land four astronauts to Mars?

Biology
2 answers:
Alex17521 [72]3 years ago
5 0

Answer:

advanced propulsion equipment

vlabodo [156]3 years ago
4 0

Answer:

advanced propulsion equipment

Explanation:

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Your life would be most immediately threatened if you suffered destruction of the ______.
Degger [83]

Answer;

-Medulla

Your life would be most immediately threatened if you suffered destruction of the Medulla.

Explanation;

The medulla oblongata is a portion of the hindbrain that controls autonomic functions such as breathing, digestion, heart and blood vessel function, swallowing, and sneezing. It is located in the brainstem, anterior and partially inferior to the cerebellum.

-The medulla is easily the most important part of the brain. It's functions are involuntary, or done without thought. We would not be able to live without the medulla because of the myriad of crucial tasks it performs including regulating blood pressure and breathing.

5 0
3 years ago
How many of each kind of atom is in one molecules of water
Scrat [10]
Water's chemical equation is H2O, which would mean that there are 2 hydrogen atoms and one oxygen atom
6 0
3 years ago
Read 2 more answers
One of the most common causes of acute tubular necrosis (ATN) is:________.
Tcecarenko [31]

Answer:

a. ischemic conditions.

Explanation:

Hello,

In this case, considering that acute tubular necrosis (ATN) has been widely acknowledged as a harmful medical condition showing off the death of tubular epithelial cells that give the form to the renal tubules of the kidneys; it presents with acute kidney injury. Thus, common causes of ATN include low blood pressure and use of nephrotoxic drugs which is more technically known as a. ischemic conditions in which the blood flow is very weak.

Regards.

8 0
3 years ago
Please help
Ludmilka [50]
A memory B cell is kinda of how it sounds it has a memory of what your body has fought before such as a virus and can stimulate a response quicker then the first time you encountered it. 

If you lack memory B cells your body doesn't built up the same immune response when you come into contact with the virus again.

"Vaccination would prevent further disease" Incorrect, a vaccine lets you build up memory cells to combat the disease if you lack them you cannot build up a defense.
"Vaccination would not prevent further disease" Correct, a vaccine can be a dead version of a virus or parts of a virus that shows your body what to respond to quickly in the future. If you body cannot make memory b cells it wouldn't help to use a vaccine. Your body wouldn't keep a memory of it being bad.
"You would not produce antibodies" Even if your body does not remember a particular virus it does produce antibodies to combat it just not as quick or efficiantly as something it has come into contact with before and produced memory cells.
"You would over produce histamine" Incorrect, different process for that histamine.
6 0
3 years ago
HELP I NEED HELP ASAP
Nastasia [14]

Answer:

This is in-order:

D

E

B

F

C

I

G

H

J

K

A

7 0
3 years ago
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