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
EleoNora [17]
3 years ago
7

Based on your knowledge of energy resources conservation, which of the following statements is true? a) Manufacturers can increa

se a light bulb's energy efficiency by using technology that decreases the amount of electromagnetic energy the bulb converts from a given amount of electrical energy. b) Energy resources can be conserved by turning off lights when they are not in use. c) both a and b d) neither a nor b
Chemistry
1 answer:
Kruka [31]3 years ago
5 0

Answer: Option (b) is the correct answer.

Explanation:

When useful energy is conserved then this conservation is known as energy conservation.

For example, when lights of a room are switched on where no one is sitting then on switching off the lights we are conserving wastage of electricity.

Thus, we can conclude that out of the given options, the statement energy resources can be conserved by turning off lights when they are not in use is true.

You might be interested in
Explain why the middle portion of ship shows more rust than either the top most or the bottom most part ​
LekaFEV [45]

Answer:

A ship comprises of both visible as well as invisible parts. . The most forward part of a ship is called a Bow, the left-hand side of . at a topmost accessible height of the ship and just above the bridge . The mast is a rangy spar arrangement which is elevated more or less vertically to the Centre line of a ship .

8 0
1 year ago
Can someone help me with this science question asap
Bingel [31]

Answer:

it's the lighting

Explanation:

if you were to use a prism you will see the rainbow. the color black sucks up all colors white sucks up none. that why in the summer black it the hottest to ware and white is the best to wear and in the winter vise versa

3 0
3 years ago
Which is NOT a component of galaxies? * F. Universe G. Stars H. Dust J. Planets​
Afina-wow [57]

Answer:

F. Universe

Explanation:

Universe and Galaxies are two different things.

4 0
3 years ago
Explain how the following experimental errors affect the final calculation of the kilocalories per gram for a food item. Be spec
Ainat [17]

Answer:

a) the final kilocalories per gram for food will be less because the mass was reduced

b)the final kilocalories per gram for food will be less since

c) the final kilocalories per gram for food will be less since the reaction will eventually go to completion

d) the final kilocalories per gram for food will be more.

Explanation:

a) the final kilocalories per gram for food will be less because the mass was reduced from 110.3 to 101.3g

b)the final kilocalories per gram for food will be less since some marshmallow fell off before the reaction

c) the final kilocalories per gram for food will be less since the reaction will eventually go to completion

d) the final kilocalories per gram for food will be more since the thermometer that got stuck will add to the value of final kilocalories per gram

6 0
3 years ago
If water were a non-polar<br> Molecule
JulijaS [17]

Answer:

Water would not be able to transport nutrients -‐-‐ in plants, or in our bodies -‐-‐ nor to dissolve and transport waste products out of our bodies. ... Cohesiveness, adhesiveness, and surface tension: would decrease because without the +/-‐ polarity, water would not form hydrogen bonds between H20 molecules.

8 0
3 years ago
Other questions:
  • 15. An apparatus consists of a 4.0 dm3
    14·2 answers
  • The process by which DNA makes a complete copy of itself is called ?
    7·1 answer
  • Define the term ionization energy. Choose one:
    11·1 answer
  • Geology belongs to which branch of science?
    6·2 answers
  • Convert 60 grams of nitrogen gas (N2) to liters.
    6·1 answer
  • Aluminum reacts with chlorine gas to produce aluminum chloride crystals. How many grams of aluminum chloride will be produced if
    8·1 answer
  • What part of the cell do energy storage molecules come from ?
    13·1 answer
  • Match the landform to its description.
    12·2 answers
  • WHaty are the Chemical properties of Oxygen?
    11·1 answer
  • What is conductometric titration
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!