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
Fittoniya [83]
4 years ago
14

Coal is considered to be a non-renewable energy source. Which of the following statements is correct? a. Coal is a scarce resour

ce. b. Coal is an unlimited resource. c. Coal is a non-scarce resource. d. Coal is not a resource.
Physics
1 answer:
aleksley [76]4 years ago
4 0
C) Coal is a non-scarce source
You might be interested in
What causes the mechanical advantage of the inclined plane to be less than that of the lever? 30 points !!!
gayaneshka [121]
Moving an object up an inclined plane<span> requires </span>less<span>force </span>than<span> lifting it straight up, at a cost of an increase in the distance moved. The </span>mechanical advantage<span>of an </span>inclined plane<span>, the factor by which the force is reduced, is equal to the ratio of the length of the sloped surface to the height it spans.</span>
8 0
4 years ago
What is the period of a pendulum that takes 5 seconds to make a complete back and forth vibration
dezoksy [38]

Answer:

5s

Explanation:

-A period is the time it takes to make one full back-and-forth swing.

-A period is calculated as the time taken for a complete swing divided by one cycle:

T=t/1c\\\\=5s/1\\\\=5s

Hence, the period of the pendulum is 5s

8 0
4 years ago
Suppose a vacuum cleaner uses 120 J of electrical energy is 45 J are used to pull air into the vacuum cleaner how efficient is t
Airida [17]
Very efficient because it uses less then half to do the action then the vacuum actually stores.
3 0
4 years ago
How many stars are there in an Open Cluster?*
Step2247 [10]

Answer:

Very few

Most open clusters form with at least 100 stars

Brainly, please.

4 0
3 years ago
Here is a list of ways of producing electricity
zloy xaker [14]

Answer:

1) A,B,F,G

2)B,D,E

3) A,C,F,G

Explanation:

8 0
3 years ago
Other questions:
  • A bubble originating at the bottom of a lake rises to the surface within 10.0 seconds with an acceleration of 10.0 meters/second
    5·1 answer
  • What three categories can every living thing in a forest ecosystem be sorted into
    7·1 answer
  • 4. State in words how acceleration is calculated.
    10·1 answer
  • Nuclear fusion within the sun takes place within the
    5·1 answer
  • A 300-W computer (including the monitor) is turned on for 8.0 hours per day. If electricity costs 15¢ per kWh, how much does it
    13·1 answer
  • An elevator is moving upward at 0.91 m/s when it experiences an acceleration 0.31 m/s2 downward, over a distance of 0.61 m. What
    6·1 answer
  • amelia goes for mountering with some selected friend of her batch .Intially she is scared of it .Her trainer John tells her that
    14·1 answer
  • What is the numbeA driver started from origin and drove 5 km towards east, he then drove 3 km due west. His displacement is:
    11·1 answer
  • Need help on this,<br>will mark brainliest if you answer.<br>​
    5·1 answer
  • Define refractive index.​
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!