#1
Which of the following is an example of a renewable energy source?
Coal
Natural gas
Solar power
Nuclear energy
#2
What is the term for the process by which water vapor turns into liquid water?
Evaporation
Condensation
Sublimation
Transpiration
#3
Which of the following is NOT a form of renewable energy?
Wind power
Hydropower
Geothermal energy
Coal
#4
What is the primary greenhouse gas emitted by human activities?
Methane
Carbon dioxide
Ozone
Nitrous oxide
#5
What is the term for the process by which plants convert carbon dioxide into oxygen?
Photosynthesis
Respiration
Fermentation
Decomposition
#6
Which of the following is a renewable resource?
Natural gas
Coal
Petroleum
Solar energy
#7
Which layer of the atmosphere contains the ozone layer?
Troposphere
Stratosphere
Mesosphere
Exosphere
#8
Which of the following is a greenhouse gas?
Nitrogen
Oxygen
Carbon dioxide
Argon
#9
What is the main purpose of the Kyoto Protocol?
To reduce greenhouse gas emissions
To promote nuclear energy
To protect endangered species
To regulate international trade
#10
What is the main contributor to air pollution in urban areas?
Industrial emissions
Agricultural activities
Household waste
Forest fires
#11
What is the term for the process by which plants release water vapor into the atmosphere?
Evaporation
Transpiration
Condensation
Precipitation
#12
Which of the following is an example of a non-point source of water pollution?
Sewage treatment plants
Oil spills from ships
Industrial discharges
Runoff from agricultural fields
#13
What is the primary cause of deforestation?
Urbanization
Agriculture
Mining
Climate change
#14
Which of the following is a consequence of ocean acidification?
Increase in coral reef growth
Decrease in shellfish populations
Decrease in sea levels
Increase in marine biodiversity
#15
What is the main cause of the hole in the ozone layer?
Carbon emissions
Deforestation
Chlorofluorocarbons (CFCs)
Sulfur dioxide emissions
#16
What is the main source of mercury pollution in aquatic ecosystems?
Industrial emissions
Mining activities
Agricultural runoff
Natural weathering of rocks