Question 2:

Just like bees, ____ also supports pollination, as pollens get blown away by ___ from plants,  cross pollination takes place.

Question 3:

Minerals such as _______ and ______ are important sources of energy. They are widely used in different sectors such as transport, agriculture and industry. 

Question 4:

____ is a good conductor of sound, we can hear speech or music or noise in the presence of _____.

Question 5:

_______and ________  permanently harm the surrounding soil. The surface is exposed to erosion, which destroys the quality of the land. The chemicals due to these practices leak into soil, which pollutes it and also, the nearby water bodies.

Question 6:

________ minerals include sand, gravel, cement, salt, sulphur, phosphorous, diamonds and gems.

Question 7:

Air gets polluted due to presence of pollutants in the _______ and it can result from both human and natural occurrences.

Question 8:

_______ can change the soil chemistry of an area, and it can also leach out the nutrients inside it.

Question 9:

______ leads to blocking of sunlight from entering water bodies and reduces oxygen values in water, which creates an inhabitable environment.

Question 10:

The seas, ocean, rivers, lakes etc form the ________.