121. What is the term used to describe the measure of the amount of carbon dioxide that is present in the atmosphere?
A) Carbon dioxide level
B) Carbon dioxide concentration
C) Carbon dioxide density
D) Carbon dioxide partial pressure
122. Which of the following is not a type of river?
A) Meandering river
B) Braided river
C) Ephemeral river
D) Continental river
123. What is the term used to describe the measure of the amount of energy that is received by the Earth from the Sun?
A) Solar energy
B) Solar radiation
C) Solar insolation
D) Solar flux
124. Which of the following is not a type of wave?
A) Transverse wave
B) Longitudinal wave
C) Tidal wave
D) Surface wave
125. What is the term used to describe the measure of the amount of water that is used by plants?
A) Evapotranspiration
B) Water consumption
C) Water use
D) Water utilization