1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
olasank [31]
3 years ago
5

Which best describes the main sources of energy in the United States?

Biology
2 answers:
Sever21 [200]3 years ago
3 0

Answer:

D

Explanation:

Most of the energy in the United States comes from the burning of fossil fuels (coal, oil, natural gas). Hope this helps!

san4es73 [151]3 years ago
3 0

Answer:

D. Coal,oil,natural gas

Explanation:

The main sources of energy in USA are non renewable sources of energy like coal, oil and natural gas. Oil is the main source of energy in USA while coal stands second as a source of energy. Apart from these two, natural gas is also widely used  in USA as an energy source. Non renewable sources of energy are also known as conventional sources of energy. Alternate sources of energy which are also known as renewable sources of energy like wind, solar hydroelectric, geothermal energy etc. are not used commonly as main sources of energy in USA.

You might be interested in
Organisms that comprise the greatest mass of living substance (biomass) in a terrestrial food chain
TEA [102]
Decomposers Producers Primary consumers Secondary consumers Tertiary consumers
6 0
3 years ago
The kidneys perform several important functions in the human body. One of these is to regulate the amount of water that makes up
Ede4ka [16]
C) The urine amount will be decreased because your body needs to preserve that water and keep it in your body and bloodstream.
5 0
3 years ago
Where is the Electron Transport System (ETS) located in prokaryotic cells?
kenny6666 [7]

Answer:

Cellular membrane.

Explanation:

In prokaryotes electron transport chain isIn prokaryotes electron transport chain is located in the cell membrane. ETC is defined as the series of complexes which helps in the transfer of electrons from electron donors to electron acceptors via reduction, and oxidation reaction couple the transfer of protons with electron transport across a member.

The primary function of the ETC is generated a transmembrane proton electrochemical gradient, such as oxidation, and reduction reaction.

3 0
3 years ago
A new organism begins to form when egg and sperm cells join in the process called fertilization
Irina18 [472]
Yes, when the egg and a sperm cell meet fertilization has taken place
6 0
3 years ago
What is a non living part of the ecosystem
dusya [7]

Answer:

an Abiotic Factor

Explanation:

The non-living components of the environment are known as abiotic factors. Abiotic factors include things such as rocks,water,soil,light,rocks etc...

7 0
3 years ago
Other questions:
  • Which of these diseases can be spread?
    14·2 answers
  • A person has a condition known as trisomy. What does this mean?
    14·1 answer
  • living things need a constant supply of energy, even though many of the chemical reactions they undergo release energy. Why is t
    14·1 answer
  • Select all that apply. Which of the following were developed during World War II?
    9·2 answers
  • Describe an environmental factor that could influence natural selection and decrease genetic diversity. Pick a specific example
    11·2 answers
  • 1. Which of the following structures in the diagram below enables the observer to identify that it is a plant cell? a. 1 and 3 b
    14·1 answer
  • Plant and animal cells differ in a variety of ways. Plants have a special structure that helps them produce their own food. With
    9·2 answers
  • 10
    11·1 answer
  • Animals release _____ into the atmosphere through _____
    14·2 answers
  • Scientists use the scientific process to which mechanisms underlie observations; they do not if a particular finding is correct
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!