76. What is the term used to describe the process of the Earth’s atmosphere trapping heat and preventing it from escaping into space?
A) Greenhouse effect
B) Solar radiation
C) Electromagnetic induction
D) Convection
77. Which of the following is not a type of forest?
A) Tropical
B) Temperate
C) Deciduous
D) Alpine
78. What is the term used to describe the process of water vapor changing directly into ice without first becoming a liquid?
A) Sublimation
B) Condensation
C) Precipitation
D) Evaporation
79. Which of the following is not a type of rock?
A) Granite
B) Basalt
C) Sandstone
D) Fossil fuel
80. What is the term used to describe the process of rock being broken down by physical or chemical means?
A) Weathering
B) Erosion
C) Deposition
D) Sedimentation
