#1
Which of the following is a greenhouse gas?
#2
What is the primary source of energy for most ecosystems?
#3
Which of the following is a renewable energy resource?
#4
What is the term for the process by which plants release water vapor into the atmosphere?
#5
What is the term for the process by which organisms convert light energy into chemical energy?
#6
What is the primary component of fossil fuels?
#7
What is the process by which water changes from a liquid to a gas called?
#8
Which of the following is not a major component of soil?
#9
Which of the following pollutants is a primary contributor to acid rain?
#10
What is the term for the process of breaking down rocks into smaller particles by physical or chemical means?
#11
What is the term for the movement of water through the Earth's crust?
#12
Which of the following is a major greenhouse gas that is not naturally occurring?
#13
What is the term for the process by which carbon moves through the atmosphere, hydrosphere, biosphere, and geosphere?
#14
Which of the following is a characteristic of an ecosystem with high biodiversity?
#15
What is the term for the process of converting nitrogen gas into a form that plants can use?
#16
Which of the following is a consequence of eutrophication?
#17
What is the primary cause of ozone depletion in the stratosphere?
#18