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
Scientific models _______. a. are based on a set of observations b. are used to replace experiments c. allow the study of existi
vladimir2022 [97]

Answer:

i would say C

Explanation:

You can only make a model of something if the real thing already exists.

3 0
4 years ago
Read 2 more answers
a rock has a density of 17 g/cm3. If it is cut into 3 equal size pieces, what will be the density of each piece?
erma4kov [3.2K]
All pieces will be 17 g/cm^3 because the density is not affected by cutting (assuming the rock is uniform).
6 0
3 years ago
The technology of sesimograph is helpful to humans because it
34kurt

Answer:

Explanation:

Seismographs can detect quakes that are too small for humans to feel. During an earthquake, ground-shaking seismic waves radiate outward from the quake source, called the epicenter. Different types of seismic waves travel at different speeds and through different parts of the Earth during a quake.

7 0
3 years ago
How does a refrigerator cool food and drinks
jolli1 [7]

Answer:

The evaporator is located inside a refrigerator and is the part that makes the items in the refrigerator cold. As the refrigerant turns from a liquid into a gas through evaporation, it cools the area around it, producing the proper environment for storing food.

Explanation:

4 0
3 years ago
What is diffrence between alkali and base in simple defination
jasenka [17]

Answer:

Many bases are insoluble - they do not dissolve in water. However, if a base does dissolve in water, we also call it an alkali .

Explanation:

Hope this helps

7 0
3 years ago
Other questions:
  • A 52.0-mL volume of 0.35 M CH3COOH (Ka=1.8×10−5) is titrated with 0.40 M NaOH. Calculate the pH after the addition of 23.0 mL of
    8·1 answer
  • Calculate the mean of 2, 5 and 3. write your answer to 2 decimal places. please help me on this
    12·1 answer
  • Given the following reactions 2S (s) + 3O2 (g) → 2SO3 (g) ΔH = -790 kJ S (s) + O2 (g) → SO2 (g) ΔH = -297 kJ the enthalpy of the
    6·1 answer
  • Which of the following would be a good use for a nonmetal? handle of frying pan electrical wires structural components in buildi
    9·2 answers
  • When scientists use one of their five senses to gather information, they are A. making an observation. B. making an inference. C
    7·2 answers
  • When given a compound, adding up all of the _______ of all of the individual atoms within one molecule of a compound will determ
    8·2 answers
  • What is the parent isotope when Cl-33 is formed during a beta decay?
    12·1 answer
  • True or False
    5·1 answer
  • How many milliliters of 2.5 M HCl are required<br> to exactly neutralize 1.5 L of 5.0 M NaOH?
    13·1 answer
  • HELPP!!
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!