Answer
Option (c) is the correct answer that is given as local temperature and precipitation can vary even when the average global temperature is increasing.
Work Step by Step
The average temperature of the Earth is increasing as per the scientific data due to the global warming. Global warming is caused because of a number of man made reasons. So even in case of a particular region that receives heavy snowfall, it does not rule out the fact of global warming. Hence, option (c) is correct.
