In this task, you are given a question and answer for that. The answer will fill in the blank or will complete the unfinished question. Your task is to provide an explanation based on the given question or fill-in-the-blank statement, and answer.

Question: Reid is modelling the greenhouse effect in a simulation. If he increases greenhouse gas levels, the greenhouse gas effect will 
 Answer: increase
An increase in greenhouse gases leads to greater greenhouse effect.

Question: If Australia is smaller then Asia, which country will produce more of a trash buildup in the oceans? 
 Answer: China
The Southern Hemisphere has less trash buildup in the oceans because less of the region is continent.

Question: Compared to a very soft stone like limestone, diamonds, which are the hardest stone, would 
 Answer: erode more slowly in water

The water erodes the softer rock faster than the harder rock.