What does "Nonrenewable" mean?
A resources that is not naturally replaced in a short time
What is a Renewable Resource?
A resource that can be replace naturally in a short time
How does deforestation affect animal habitats?
It destroys and pollutes habitats
What is a reason that humans cut down trees?
Building materials, paper products, farmland, expand living spaces
What is the black sedimentary rock that is burned as a fuel source?
Coal
Why are fossil fuels considered "nonrenewable" resources?
They take a very long time to form naturally
Why are plants considered "renewable" resources?
They can grow in a short time
The dirt gets moved into water sources, machines and chemicals are used in the mining process
What is an example of a human activity that positively affects the atmosphere?
Planting trees, laws to limit emissions, public transportation like trains and buses
"Solar" energy refers to what source of energy?
The Sun's Energy
Where do fossil fuels come from?
The remains or organic material put under intense pressure over long periods of time
Why is wind considered a "renewable" resource?
Because air masses are continually circulating around Earth
How does overfishing negatively affect the environment?
Extinctions, decrease predators, decrease food sources, increase diseases, decrease total biomass
How does eating meat products cause environmental damage?
Cutting trees for farmland, more methane into the atmosphere, growing more crops for animal feed, more land and water usage
What is another name for oil taken out of the groud?
Petroleum
How are "nonrenewable" resources different than "limited" resources?
Nonrenewable = is not replaced quickly
Limited = not an infinite supply
What is an example of an eco-friendly alternative to fossil fuels for energy production?
Solar, water, wind, geothermal
How does agriculture (farming) negatively impact the environment?
Deforestation, loss of habitats, air pollution, loss of biodiversity, possible extinctions, water pollution and overuse of water, loss of healthy topsoil
What is an example of a human activity that positively affects the biosphere?
Planting trees, protecting natural habitats and species, laws against over-harvesting, controlling invasive species
What is the name of wood resources that are harvested to make lumber?
Timber
Why are plastics not considered "nonrenewable" even though they can be reused or recycled?
What are three different sources of hydroelectric power?
Ocean Waves, Tides, Rivers
Which type of environment is most negatively affected by human activities, including farming and expanding cities?
Tropical Rainforests
What human activity threatens tropical rainforests the most?
Deforestation
What is the name for domesticated animals used for their meat or other products?
Livestock