Choose the most appropriate option to fill in the blanks in the given passage.
The Earth's temperature is rising (1)______ .Scientists say that the rise in the average temperature ranges from 1.8°C to 4°C. This (2) ______ in temperature is called global warming or climate change. Although it is a natural phenomenon, human action is the (3) ______ cause of global warming. The burning of fossil fuels such as petroleum and coal (4) ______ a lot of greenhouse gases into the Earth's atmosphere. Carbon dioxide, methane and nitrous oxide are the main greenhouse gases (5)________ for global warming. Besides greenhouse gases, deforestation is (6) ______ major cause of this problem. Global warming has led to changes in temperature and rainfall patterns which have severely (7) ______ agriculture. No one can (8) ______ that this is the most serious environmental challenge that mankind is facing today. While it is not possible to reverse the process, the rate of global warming can be checked if all the countries (9) ______ some measures. (10) ______ of the measures is recycling and reusing articles like paper, glass, aluminium and plastic.