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ankoles [38]
3 years ago
15

Why does a mask have to cover both your nose and mouth to be effective explain using the Respiratory tract

Biology
1 answer:
dusya [7]3 years ago
3 0

Your nose and your mouth are both a portal of entry into your body. If you cover one and not the other it defeats the purpose because Bacteria can still enter the system. They are both part of your respiratory system.

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_________ is a staple of the south korean diet while ____________ is a staple of the u.s. diet.
NeX [460]
RICE is the staple of South Korean diet while CORN is a staple of the US diet.
These preferences for food in these two countries are influenced by historical and social factors. 
Most of the food in South Korea are usually prepared from rice while in the US most of the staple food are prepared from corn.
5 0
3 years ago
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kipiarov [429]

Answer:

Nitrogen

Explanation:

It can change in the Atmosphere or on land:)!

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Using what you have now learned about temperature and pressure at high altitudes in the troposphere, why do you think that helic
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The air would be too thin for most helicopters to create enough lift to remain airborne. And if somehow a helicopter did make it up there, landing wouldnt be easy.

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2 years ago
The identity of an element is determined by its number of
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its atomic number

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4 0
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The correct order is 3, 4, 2 and 1.

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Atherosclerosis refers to the condition in which the plaque gets accumulate within the blood vessels' walls. In the condition, inflammation occurs in the arteries' inner lining. The following is the sequence of events that results in atherosclerosis is:  

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4. The hardening of plaques takes place, which eventually prevents the flow of blood in the prime arteries.  

8 0
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