Which gas is collected from landfills and can be used as energy?
Methane
Ethane
Carbon dioxide
Butane
Which continent has the lowest per capita water availability?
Australia
Asia
Europe
Africa
Which form of mining involves using water to separate minerals from soil or gravel?
Strip mining
Placer mining
Subsurface mining
Mountaintop removal
Which country is the leading producer of uranium for nuclear energy?
Kazakhstan
Canada
USA
Russia
What resource is produced in the greatest volume worldwide for energy?
Hydropower
Natural gas
Oil
Coal
Which type of forest is most affected by commercial logging?
Temperate forest
Mangroves
Boreal forest
Tropical rainforest
Which energy source has the highest capacity factor (i.e., actual output vs. potential)?
Solar
Nuclear
Wind
Hydropower
Which rock type is most associated with the presence of fossil fuels?
Volcanic
Sedimentary
Metamorphic
Igneous
“Reduce, Reuse, Recycle” is related to?
Climate change
Forest conservation
Water harvesting
Waste management
Which of the following helps in soil conservation?
Deforestation
Overgrazing
Mining
Contour plowing
