#1
Which of the following is an example of a renewable energy source?
Solar power
ExplanationRenewable and abundant energy from the sun.
#2
What is the term for the process by which water vapor turns into liquid water?
Condensation
ExplanationWater vapor condenses into liquid form.
#3
Which of the following is NOT a form of renewable energy?
Coal
ExplanationCoal is a non-renewable fossil fuel.
#4
What is the primary greenhouse gas emitted by human activities?
Carbon dioxide
ExplanationHuman activities emit significant amounts of carbon dioxide.
#5
What is the term for the process by which plants convert carbon dioxide into oxygen?
Photosynthesis
ExplanationPlants produce oxygen through photosynthesis.
#6
Which of the following is a renewable resource?
Solar energy
ExplanationEnergy derived from the sun, which is a renewable resource.
#7
Which layer of the atmosphere contains the ozone layer?
Stratosphere
ExplanationStratosphere holds the ozone layer, protecting Earth from harmful UV radiation.
#8
Which of the following is a greenhouse gas?
Carbon dioxide
ExplanationCarbon dioxide traps heat in the atmosphere.
#9
What is the main purpose of the Kyoto Protocol?
To reduce greenhouse gas emissions
ExplanationInternational agreement to combat climate change by reducing greenhouse gas emissions.
#10
What is the main contributor to air pollution in urban areas?
Industrial emissions
ExplanationFactories and industries release pollutants into the air in urban areas.
#11
What is the term for the process by which plants release water vapor into the atmosphere?
Transpiration
ExplanationPlants release water vapor through transpiration.
#12
Which of the following is an example of a non-point source of water pollution?
Runoff from agricultural fields
ExplanationWater pollution from diffuse sources like agricultural runoff.
#13
What is the primary cause of deforestation?
Agriculture
ExplanationClearing forests for agriculture leads to deforestation.
#14
Which of the following is a consequence of ocean acidification?
Decrease in shellfish populations
ExplanationAcidic oceans harm marine life, leading to a decline in shellfish populations.
#15
What is the main cause of the hole in the ozone layer?
Chlorofluorocarbons (CFCs)
ExplanationCFCs degrade ozone molecules in the atmosphere.
#16
What is the main source of mercury pollution in aquatic ecosystems?
Mining activities
ExplanationMining releases mercury into aquatic environments.