I think it is A.burning of fossil fuels
If we keep on using fossil fuels the earth will become hotter and we will have no more left.we will end up using all of our resources.
another theory is that the sun will one day stop and shut down.with out the sun there will be no more humans,solar system,water or plants.and life on earth will stop.<span />
Answer: Oceans. Oceans are like really big lakes. Rivers and streams carry all of the water that comes from rain and melted snow into the oceans.
Explanation:
<span>The answer is the option C. Altitudinal zonation. Altitudinal zonation is a graph or drawing showing the natural features of ecosystems of mountains at different heights. Several factors affect the ecosystems. On of the most basic and most used is the temperature. The infamous scientist Alexander Von Humbold was first in using the relationship between temperature and the altitude in a mountain in relation with the vegetation. Other factors related with the altitude and the ecosystems are solar radiation, soil composition and humidity.</span>
Answer:
are u actually working on my question because I'm getting timed and need the answer fast