Respuesta :
B. an increase in the overall temperature of the Earth
I say this because the polar ice caps on the poles are melting (which is why the polar bear is now endangered.) and are a result of global warming.
I say this because the polar ice caps on the poles are melting (which is why the polar bear is now endangered.) and are a result of global warming.
Answer:
B.) an increase in the overall temperature of the Earth
Explanation:
Thought to be because of all the Greenhouse gases/pollution