Answer:
0N
Explanation:
If an object is on one of these imaginary frictionless surfaces, the surface does not present any opposing force (frictional force) to slow an object sliding over it. Therefore no force is needed to keep the object moving.
The researchers estimate that between 1990 and 2010, some 69 percent of the mass lost by the world's alpine glaciers can be traced to human influence – basically global warming. This 2013 file photo shows the Mendenhall Glaicer where it spills over the mountains above Mendenhall Lake in Juneau, Alaska.
It is between A and B.
But if the species is going to be extinct, that means that they are being threatened.
So the answer is B.
Answer: A
Explanation:
Because its the main difference between the 2