Clouds are forming along the front because the rising air is
A) contracting and warming, causing
evaporation
B) contracting and cooling, causing evaporation
C) expanding and warming, causing condensation
D) expanding and cooling, causing condensation

Respuesta :

Answer:

D

Explanation:

The water vapor rises in the air.  It starts to expand while cooling the higher it gets in the atmosphere. This causes condensation.

Clouds are forming along the front because the rising air is expanding and cooling, causing condensation (Option D).

  • Cloud formation occurs when water vapor cools and condenses to form liquid water droplets or solid ice crystals.

  • In a cloud, liquid water droplets are formed at temperatures higher than 0 Celsius degrees, while solid ice crystals are formed at temperatures lesser than 0 Celsius degrees.

  • In consequence, during cloud formation, the excess amount changes from water vapor (gas) into a liquid (water droplets) or solid (ice).

In conclusion, clouds are forming along the front because the rising air is expanding and cooling, causing condensation (Option D).

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