Name an effect a beaver has on an ecosystem?
cuts down trees, builds dams.
Name 3 negative things people do to the environment
pollution, cutting down trees, throwing trash
Name 2 positive things people do for the environment
plant trees, save animals, save water
What are fossil fuels?
Oil, coal and gas - non-renewable types of energy
What type of renewable resource is it?
solar energy
What type of renewable resource is it?
wind energy
What kind of renewable energy comes from the Earth's core?
geothermal energy
How are fossil fuels made?
an animal dies then lots of pressure and rocks turn the energy into fossil fuels
Fossils are remains of dead plants and animals from millions of years ago (T/F)
True
