Complete the sentences below.
Write NO MORE THAN THREE WORDS from the passage for each answer.

Dry snow is used to give slopes a level surface, while wet snow is used to increase the [1] on busy slopes.

To calculate the required snow consistency, the [2] of the atmosphere must first be measured.

The machinery used in the process of making the snow consumes a lot of [3] which is damaging to the environment.

Artificial snow is used in agriculture as a type of [4] for plants in cold conditions.

Artificial snow may also be used in carrying out safety checks on [5].