Unit 2

What is the concern when you get too much rainfall?

• flooding

• typhoons

• hurricanes

• tidal waves

Why is petroleum nonrenewable?

• It constantly forms within Earth

• It is difficult to obtain and transport

• It requires a very long period of time to form

• because you said so

Why is nuclear energy considered to be a nonrenewable energy resource?

• some people do not support the use of nuclear energy as a resource.

• Fuels, such as uranium ore, are not replaced in nature as quickly as they are used.

• Nuclear power plants produce waste that must be stored for long periods of time.

• because you said so

A non renewable resource is a resource that renews itseld at a sufficent rate for sustainable economic extraction in a meanigful human time frame.

• true

• false

We can reliably predict when phenomena, such as volcanic eruptions, will occur based on past occurrences and our knowledge of geological processes.

• true

• false

Which of the following is something humans do that negatively effect our ecosystem?

• plant more trees after timber wood has been selected

• humans move species to a new habitat

• using hydropower plants

• lowering your thermostat during the winter

Which has no significant threats to Earth's natural resources?

• overpopulation

• climate change

• the need for more

• educational awareness

Don't talk.

• 
• 
• 
• 

wind power is considered a non renewable energy

• true

• false

Trees can be classified as different kinds of resources. Which of these statements gives a reason for classifying a tree as an energy source?

• it is a renewable source

• it can be used to build homes

• it can be burned to provide heat

• it requires energy to grow a tree