Notice: Payments for answers will end 4/10/2017. Click for more info.
You have new items in your feed. Click to view.
Question and answer
Q: Describe three nonrenewable energy sources from Ch. 17 of Visualizing Environmental Science. What are the benefits and challenges of each of these energy sources?
A: Energy comes from many sources, and to describe these sources we use two terms: renewable and non-renewable. Non-renewable energy resources cannot be replaced ? once they are used up, they will not be restored (or not for millions of years). [ Non-renewable energy resources include fossil fuels and nuclear power. Fossil fuels Fossil fuels (coal, oil and natural gas) were formed from animals
and plants that lived hundreds of millions of years ago (before the time of the dinosaurs). They were formed during the Carboniferous period. The plants that lived millions of years ago converted the Sun's light energy into chemical energy through the process of photosynthesis. This 'solar' energy was (and still is) transferred down the food chain in animals, and when living organisms die, the chemical energy within them was trapped. For a fossil fuel to form, there are three important steps necessary: accumulation of organic matter (animal or plant remains), preservation of organic matter to prevent it from oxidising (exclusion of air, for example, by being in the sea or a swamp) and conversion of organic matter into a fossil fuel such as oil or natural gas. This would typically occur due to the organic matter being covered by layers of sediments, which increases pressure and heat (50?150?C). Fossil fuels are described as non-renewable because it takes millions of years for this process to occur. Burning fossil fuels produces carbon dioxide ? one of the greenhouse gases. Burning coal ? one of the fossil fuels ? produces not just carbon dioxide but also releases sulphur into the air, which increases air pollution. energy, we wouldn't be able to run our cars, warm and illuminate our homes or manufacture the goods we've come to take for granted. Nonrenewable energy resources provide the power for our lives, but many challenges face both producers and users of those resources. The U.S. ]
Jfrances|Points 50|
Question
Asked 11/20/2012 10:34:36 PM
0 Answers/Comments
Get an answer
New answers
Rating

There are no new answers.

Comments

There are no comments.

Add an answer or comment
Log in or sign up first.
0 questions answered
Popular Conversations
The evolution of agricultural practices ultimately led to the ...
Weegy: The evolution of agricultural practices ultimately led to the development of towns and cities.
6/23/2017 10:56:18 AM| 1 Answers
Dinosaurs became extinct due to the A. breakup of Pangaea. ...
Weegy: Dinosaurs became extinct due to the: Cretaceous extinction event. User: Which type of preservation is made ...
6/27/2017 10:01:19 AM| 1 Answers
A batholith is a mass of rock that forms when a large body of magma ...
Weegy: A batholith is a mass of rock that forms when a large body of magma cools inside the crust. TRUE.
6/25/2017 1:54:48 AM| 0 Answers
Earth’s lithosphere is composed of a. the crust only. b. the mantle ...
Weegy: The LITHOSPHERE is the part of the Earth composed of the crust and upper mantle.
6/25/2017 1:50:09 AM| 0 Answers
Radioactive isotopes are used to a. determine the absolute age of ...
Weegy: Radioactive isotopes are used to determine the absolute age of rocks.
6/25/2017 1:43:13 AM| 0 Answers
Magma that hardens vertically underneath the surface will form a ...
Weegy: Magma that hardens vertically underneath the surface will form a sill. FALSE.
6/25/2017 1:22:58 AM| 0 Answers
The ADA states that a service animal can be any animal that the ...
Weegy: The ADA states that a service animal can be any animal that the passenger deems a service animal and must be ...
6/25/2017 12:55:37 AM| 0 Answers
Waves that cause the most damage during an earthquake are waves.
Weegy: Waves that cause the most damage during an earthquake are surface waves.
6/25/2017 12:53:18 AM| 0 Answers
Which of the following would be considered a negative side effect of ...
Weegy: Threats of dangerous flooding would be considered a negative side effect of settling near a river bed.
6/23/2017 11:35:22 AM| 0 Answers
Most scientists and anthropologists agree that early humans first ...
Weegy: Most scientists and anthropologists agree that early humans first emerged in AFRICA.
6/23/2017 10:53:42 AM| 0 Answers
A paragraph that has its topic sentence first is _____. a rectangle ...
Weegy: A paragraph that has its topic sentence first is an inverted triangle.
6/23/2017 10:25:31 AM| 0 Answers
Weegy Stuff
S
L
Points 40 [Total 1371] Ratings 0 Comments 0 Invitations 4 Offline
S
Points 17 [Total 17] Ratings 0 Comments 7 Invitations 1 Offline
S
Points 14 [Total 14] Ratings 1 Comments 4 Invitations 0 Offline
S
Points 10 [Total 10] Ratings 0 Comments 0 Invitations 1 Offline
S
Points 10 [Total 10] Ratings 1 Comments 0 Invitations 0 Offline
S
R
Points 3 [Total 19] Ratings 0 Comments 3 Invitations 0 Offline
S
Points 3 [Total 3] Ratings 0 Comments 3 Invitations 0 Offline
S
Points 2 [Total 2] Ratings 0 Comments 2 Invitations 0 Offline
S
Points 2 [Total 72] Ratings 0 Comments 2 Invitations 0 Offline
S
Points 1 [Total 1] Ratings 0 Comments 1 Invitations 0 Offline
* Excludes moderators and previous
winners (Include)
Home | Contact | Blog | About | Terms | Privacy | © Purple Inc.