Need some help with these biology questions?

samnich123

New member
8. Cutting down vast tracts of rain forest may result in which of the following effects on the environment? (Points: 3)
stabilization of the soil
decrease in flooding
increase of biodiversity
loss of biodiversity


9. Which of the following is a nonrenewable resource? (Points: 3)
oil
solar energy
wind power
geothermal energy


10. How is human activity impacting biodiversity? (Points: 3)
Human activity has no impact on biodiversity.
It is impossible to tell what the impact is.
Human activity has been, on the whole, preserving biodiversity.
Human activity is causing biodiversity to decrease.


11. Why is the sun considered a renewable resource? (Points: 3)
The sun?s energy doesn?t decrease significantly over time.
The sun makes its own fuel.
The sun is needed for life on earth.
The sun is so far away that we can?t use up all its energy.


12. How are natural resources classified? (Points: 3)
as naturally occurring or manufactured

as renewable or nonrenewable

as good for the environment or bad for the environment

as readily available or not



13. What is true of the supply of petroleum on the earth today? (Points: 3)
It forms as quickly as we can use it.
It is in constant supply.
It is being replenished at a rapid rate.
It is in limited supply.


14. Which of the following is a renewable resource? (Points: 3)
coal

oil

forests

iron ore
 
Back
Top