46. What is the term used to describe the process of a gas changing directly into a solid without becoming a liquid first?
A) Deposition
B) Sublimation
C) Condensation
D) Evaporation
47. Which of the following is not a type of water cycle process?
A) Precipitation
B) Evaporation
C) Condensation
D) Glaciation
48. What is the term used to describe the process of plants releasing water vapor into the air?
A) Photosynthesis
B) Respiration
C) Transpiration
D) Evaporation
49. Which of the following is not a type of atmospheric pollution?
A) Acid rain
B) Smog
C) Ozone depletion
D) Water pollution
50. What is the term used to describe the process of removing pollutants from the air or water?
A) Filtration
B) Desalination
C) Distillation
D) Purification
