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AlexFokin [52]
3 years ago
15

Many types of living cells, including human skin cells, can be damaged or killed if exposed to ultraviolet light from the Sun. H

ow does the Earth's atmosphere protect organisms on the surface from exposure to ultraviolet light? A. Oxygen in the atmosphere scatters most ultraviolet light from the Sun B. Carbon dioxide in the atmosphere absorbs most infrared light from the Sun C. Ozone in the atmosphere absorbs most ultraviolet light from the Sun. D. Gaseous water reflects most ultraviolet light from the Sun back into space
Biology
1 answer:
rusak2 [61]3 years ago
4 0

Answer:

the answer is c

Explanation:

because study island said so lol

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PLEASE ANSWER FAST THIS IS FOR A TEST!!! ILL GIVE BRAINLIEST!!!!! Based on the weather map, what weather conditions would you pr
Elden [556K]

Answer:

Easy, hot and stinky

Explanation:

lol, im just joking, to find the answer you can start by looking at colors. Hot = red and cold = blue. If you are looking for things like tornados you should look for a curve and wind mpl. Things like storms can be represented by water droplets or curves. Im sorry i cannont help you any more, the map isnt showing up, i hope you do great on your test!

8 0
3 years ago
Some scientists reproduce, or grow, cells in a laboratory setting so they can study the cells for particular reasons. Research d
Shalnov [3]

<u>Cell culture i</u>s the method applied by scientists to grown, cells in the laboratory setting to study the cells for particular reasons.

Explanation:

Cell culture is basically a method for survival, reproduction etc which are done under controlled conditions in the space outside the environment. This is also used for data mining.

Purpose: Cell culture is used for propagation of virus

Advantages:

  • Vaccine production by replication of virus
  • Detection of viral cell of virus
  • Convenient easy and economical method

Disadvantages

  • Maintenance of sterile aseptic conditions.  
  • Increases microbial contamination
  • Cross contamination takes place
4 0
3 years ago
Describe the route that blood takes through the cardiovascular system. began with blood leaving the left ventricle.
lana66690 [7]
It's wrong it begins from left atrium
7 0
3 years ago
How is PVR (pulmonary vascular resistance) determined?
Alla [95]

Answer:

PVR is calculated by the formulae:  \text{Mean PVR}=\frac{\text{mean PAP-PAOP}}{\text{CO}} \times80

Explanation:

Pulmonary vascular resistance may be defined as the resistance to blood through the pulmonary circulation.  

PVR can be determined by the following formula:

\text{Mean PVR}=\frac{\text{mean PAP-PAOP}}{\text{CO}} \times80

Here, PAP is the pulmonary artery pressure, PAOP is pulmonary artery occlusion pressure and CO is cardiac output.

5 0
3 years ago
4. Which phrase best describes cancer?
mylen [45]

Answer:

C. Uncontrolled cell growth

Explanation:

Uncontrolled cell growth caused by mutations in genes that control the cell cycle. Cancer cells lack the ability to recognize and control cell growth and reproduction. As a result, they replicate again and again.

5 0
3 years ago
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