Biomes/Ecosystems
This biome is home to the most biodiversity on Earth
What is the tropical rainforest?
The outermost layer of the Earth
What is the crust?
This process, caused by the presence of excess nutrients, leads to algal blooms and oxygen depletion.
What is eutrophication?
The most widely used nonrenewable source of energy.
What are fossil fuels?
This U.S. law regulates air emissions from industrial and vehicle sources.
What is the Clean Air Act?
This cold, treeless biome has permafrost and low productivity
What is the tundra?
This process describes breaking down rocks at Earth's surface
This term refers to pollution that originates from a single identifiable source.
What is point source pollution?
This renewable resource harnesses the sun's energy to produce power.
What is solar energy?
This international agreement was used to phase out ozone-depleting substances, such as CFCs.
What is the Montreal Protocol?
The region of the ocean where sunlight does not penetrate
What is the aphotic zone?
The circulation of nutrients like carbon and nitrogen is called what.
What is the nitrogen cycle?
A gas that is a major contributor to acid rain
What is sulfur dioxide?
This source of energy comes from plants.
What are biofuels?
This U.S. law requires an environmental impact statement before significant federal actions are taken.
What is the National Environmental Policy Act (NEPA)?
This biome experiences frequent fires and features grass as its primary source of vegetation.
What is the temperate grassland?
This tilt-related factor causes Earth's seasons
What is the tilt of Earth's axis?
A main source of pollution in recent times
What are humans?
Among all the fossil fuels, this one produces the least amount of carbon dioxide per unit of energy.
What is natural gas?
This U.S. law protects species at risk of extinction and helps protect their ecosystems.
What is the Endangered Species Act?
This biome is characterized by coniferous trees and is typically found in high northern latitudes.
What is the taiga?
These two processes in the carbon cycle help regulate atmospheric CO2 levels.
What are photosynthesis and cellular respiration?
What are catalytic converters?
This is the most significant environmental concern associated with nuclear energy.
What is the disposal of radioactive waste?
This international agreement aimed to reduce the global amounts of Greenhouse gas emissions.
What is the Kyoto Protocol?