Answer:
chelpus is a hacker that hack paid apps from market and make it usable for free
The answer is B. A satellite is any object that revolves around another object, whether that be a natural satellite like an asteroid or a man-made object like a radio satellite.
rRNA is a component of ribosomes. Its name is ribosomal RNA
Non-renewable resource
Explanation:
The cheetahs can be considered a non-renewable resource. Non-renewable implies that a resource cannot be replenished at it current rate of depletion.
How much has the cheetah's population declined:
percentage declination = 
x 100
Population in 1990 = 100,000
Population today = 12,000
Percentage declination = 
x 100 = 83.3%
We can see that the cheetah has suffered a whooping 83.3% decline in their population.
A renewable resource is one that can be replenished as it is being used such as water, air, e.t.c.
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Sinkholes one major environmental risk of underground mining because, Underground mines may collapse after mining is complete, which causes sinkholes.
<u>Explanation:</u>
The movement that occurs on the surface of the ground is known as mine subsidence. This is mainly caused due to the collapse that happens in the cola or any clay mining works that occurs in the underground surface. When anything is extracted form the underground surface, some holes are made in the underground surface which are sinkholes.
The damages that are caused as a result of this can be claimed by Mine Subsidence Insurance Policy. This type of underground mining is very dangerous as it give rise to the formation of sinkholes. This is forms when there is collapsing of the surfaces in the underground occurs after the completion of the mining work.
