We can save energy by doing some following tips. First of all, we should use electricity more efficiently and reduce our electricity bill. We need to turn off the TV when we are not watching, turn off all the lights before going to bed. Besides, we should not leave the fridge door open in a long time due to wasting of electricity. Moreover, we should save water by taking showers instead of baths or turning off the water when you don not use it. The next tip is reducing the use of fossil fuels like gas, coal, and oil. It is not only saving energy but also protect our environment. To do this, we can use public transport and avoid using car or motorbike for short trip. All in all, because our energy is limited we need to reserve it for the future generations.

Non-renewable energy is energy that cannot be regenerated after use 

Renewable energy is energy that can be regenerated after use and replaceable

Example 

Non-renewable energy: coal, nuclear, natural gas

renewable energy: solar energy,wind energy,hydro

"Năng lượng không tái tạo" và "năng lượng tái tạo" nghĩa là gì? Đưa ra vài ví dụ

1. 7 a.m and 6.30 p.m

2. Because public transport is cheap. Besides, travelling by public transport is a good way to reduce air pollution and the use of petrol, so it can help us protect the environment.

1. Tet is the best festival to me
2. That celebrates the arrival of spring in Vietnam every year
3. There are many customs of Vietnamese people on Tet holiday. For example, they often visit their relatives, friends and temples. Some people visit the graves of their ancestors in their homeland. Before Tet holiday begins, people decorate and clean their house carefully to have a wonderful time with their family...

Put the sentences to make a logical dialogue

A. How can we do that, Dad?

B. Sure, Dad.

C. Anh we will use renewable energy sources like solar energy.

D. I will ride a bike to school tomorrow. What else, Dad?

E. We can travel by public transport or bicycles.

F. What are non-renewable sources of energy, Dad?

G. Is it a better source of energy?

H. Ph, so they will run out.

I. Yes, it is clean and plentiful

J. Yes. That's why we have to save the energy

L. Well, those sources of energy are limited and can't be replaced after use

M. You should turn off the TV or computer when you don't use them.

=> F -> L -> H -> J -> A -> M -> B -> E -> D -> C -> G -> I

Có bị thiếu cái nào ko bn?

 1. what / a / carbon / is / footprint

→ What is a carbon footprint ?

 2. oil / is / why / energy / source / non-renewable / a

→ Why is oil a non-renewable source energy ?

 3. should / we / why / energy / save ?

→ Why should we save energy ?

 4. the countryside / a big city. / has / fewer problems / than

→ The countryside has fewer problems than a big city .

mình không chắc chắn lắm đâu vì phần sắp xếp câu mình còn rất yếu. :>

viết đoạn văn nha