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4 years ago

Why is energy efficiency important to society’s need to be efficient with energy usage?

Physics

1 answer:

gayaneshka [121]4 years ago

6 0

Answer:

To save the unnecessary bills and carbon emissions.

Explanation:

Energy efficiency is important to society in the following ways:

1. It saves the unnecessary bills as buildings who are using energy efficiently have less demands.

2. Saving energy for the future generations as we know low demand would save the sources.

3. Energy efficiency is also important to society in environmental ways at efficient energy means low carbon emissions.

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If Petrol diesel etc catches fire one should never try to extinguish in using water why?

FrozenT [24]

Answer:

because both petrol and diesel are oil

Explanation:

oil floats on water that's why if we will try to extinguish with water so the fire will float on water

hope u like my answer

please mark methe brainest

7 0

3 years ago

Explain how a battery works. What are some possible materials you could use to make a battery for a circuit?

allochka39001 [22]

Answer:

Batteries are systems that store chemical energy and then release it as electrical energy when they are connected to a circuit. Batteries can be made from many materials, but they all share three main components: a metal anode, a metal cathode and an electrolyte between them. The electrolyte is an ionic solution that allows charge to flow through the system. When a load, such as a light bulb, is connected, an oxidation-reduction reaction occurs that releases electrons from the anode while the cathode gains electrons

Explanation:

4 0

3 years ago

Which of the following statements are true? (mark all that apply)

kvv77 [185]

Answer:

(a) and (b)

Explanation:

Energy is the capacity to do work, and exists in various forms. These forms can be converted one to another by the use of appropriate means. Some examples are sound, mechanical, solar, light, which causes the sensation of vision, etc. energy is measured in Joules (J).

The rate of transfer of energy is called power.

i.e Power = $\frac{energy}{time}$

It is measured in Watts (W).

When a white light is disperses into its colors, gray and black are not part of the colors. And a black sometimes could be as a result of the absorption of all other colors of light.

8 0

3 years ago

Which of these factors best explains why liquid water exists on earth ?

Sveta_85 [38]

Answer:

earth strong gravity

Explanation:

The only planet that have water bodies is earth. We know that water is one of the important factors for all living organism. Liquid water exists on the earth's surface is due to the atmospheric pressure. The reason behind this is not completely mentioned.

There are so many hypothesis about it. Out of given options the correct option is earth's strong gravity.

Hence, the correct option is (b) " earth strong gravity ".

3 0

3 years ago

Read 2 more answers

Does Radiation Affects this question? If it doesn't, is the answer C?

kotegsom [21]

The answer will be C

5 0

4 years ago