You are presented with the question "Why do we generally treat H2O?" and the following answer choices:  - to add water to crops  - hydration  - vaporization  - to water the garden  - to drink it  - looseness  - to track it  - evaporation  Now knowing that treating water is used to remove harmful substances before drinking and for a scientist, water is H2O whether from the Ganga or a tap, choose the best answer.
to drink it

You are presented with the question "When it rains in the mountains where would the rain fall?" and the following answer choices:  - looseness of dirt or compost  - Plant growth is reduced  - It used to be covered by water  - Inches or fractions of inches.  - air mass over Earth's surface  - on the windward side  - In the winter  - colder and wetter  Now knowing that precipitation falls on the windward side of the mountain range and rain is also known as precipitation, choose the best answer.
on the windward side

You are presented with the question "What does salt do to ice?" and the following answer choices:  - reduce  - Freezes it  - watershred  - Makes more ice  - Turns it into carbon  - Melts it  - evaporation  - protect them  Now knowing that adding salt to a solid decreases the freezing point of that solid and salt is used as a deicer because it lowers the freezing point of water, choose the best answer.

Melts it