Use your own idea to complete the following sentences:

If we keep hunting animals, ........................................

If we cut down all the trees, ........................................

Read the text and say these statementa are true or false:

Land pollution:

If we don'recycle plastic and glass, they stay in the ground for a long time. Dangerous chemicals can also go underground, where they are harmful to plants and animals. Whenever we recycle bottles and cans, we reduce land pollution.

Airpollution:

Some power plants and factories put pollution into the air. Cars trucks and planes can also cause air pollution. Whenever we ride a bike or keep the air conditioner low, we reduce air pollution.

Waterpollution:

The same plastics and chemicals that are harmful to our land can also be found in our ocean, rivers and lakes.

Whenever we recycle garbage or shut off the water pollution. 

Write True(T) or False(F):

1.Plastics, glasses and chemicals underground are harmful to plants and animals.

2. Land pollution is cause by dangerous chemicals in the ground.

3. We should recycle plastic and glass to reduce land pollution.

4. Air pollution only cause by cars, trucks and planes.

5. We can reduce air pollution by building more power plants and factories.

6. Water pollution is causes by some plastics and chemicals in the seas, rivers and lakes.

7. We recycle garbage and shut off the water to increase water pollution.

Ai nhanh mik tick cho tick.

Put a word / phrase in each of the following words to complete the following:
(hold, picks up, even, help, after, thickly, little, hillsides) 

     Wind, water, air, ice and heat all work to cause erosion. As the wind blows over the land, it often (1)............. small grains of sand. When these grains of sand strike against solid rocks, the rock are   slowly worn away. In this way, (2)................ very hard rocks are worn away by the wind.

      When particles of rock or soil became loosened in any away, running water carries them down the (3)............ . Some rocks and soil particles are carried into streams and then into the sea.

      Land that is covered with trees, grass and other plants wears away very slowly, and so loses very (4)............. of its soil. The roots of plants help to (5)............... the rocks and soil in place. Water that falls on grasslands runs away more slowly than water that falls on bare ground. Thus, forests and grasslands (6)........... to slow down erosion.

      Even where the land is (7)............. covered with plants, some erosion goes on. In the spring, the melting snow turns into a large quantity of water that then run downhill in streams. As  a stream carries away some of the soil, the stream bed get deeper. (8)............ thousands of years of such erosion, wide valleys are often formed.

Complete the following passage.

Many - pollution - it - will - polluted - become

People need to breath. If they don’t breathe, they (1) ____________ die. But how clean is the air people breath? If they breath dirty air, they will have breathing problems and (2) ____________ ill. Plants and animals need clean air, too. (3) ____________ of things in our lives create harmful gases and make the air dirty, like cars, motorbike and factories. Dirty air called (4) ____________ air. Air pollution can also make our earth warmer. The problem of air pollution started with the burning a lot of coal in homes and factories.

Choose the letter A, B, C or D to answer these following questions

People need to breathe. If they don’t breathe, they will die. But how clean is the air people breathe? If they breathe dirty air, they will have breathing problems. Plants and animals need fresh air too. A lot of the things in our lives create harmful gases and make the air dirty, like cars, motorbikes, and factories. Dirty air is called polluted air. Air pollution can also make our Earth warmer.

Question: What is the other name of dirty air?

A. Polluting air

B. Pure air

C. Breathless air

D. Polluted air

Choose the letter A, B, C or D to answer these following questions

People need to breathe. If they don’t breathe, they will die. But how clean is the air people breathe? If they breathe dirty air, they will have breathing problems. Plants and animals need fresh air too. A lot of the things in our lives create harmful gases and make the air dirty, like cars, motorbikes, and factories. Dirty air is called polluted air. Air pollution can also make our Earth warmer.

Question: What is the impact of air pollution to the Earth?

A. TThe Earth will be exploded.

B. The Earth will get warmer.

C. People can’t live on the Earth. 

D. The Earth has no impact.

giúp mình nhé các bạn mình cần gấp

The environment is senously polluted today. To protect the environment, we should reduce the plastic bags, bottles and cans. We should put the garbage in a certain place or in the recycling bins. Remember save and recycle paper so that we can avoid cutting a lot of trees in the forest. That means we can reduce the soil pollution. It would be better if we go to work or school by bike or walk, we can save energy and keep the air cleaner. Or we can reuse and recycle things. And we should not throw trash into the rivers and lakes to keep the water not polluted. Do these things we will protect the environment and we will live healthier life.

1, Is the environment polluted today

2, what should we do to keepthe water unpolluted?

People need to breathe. If we don't breathe, we will die. But how clean is the air people breathe? If they breathe (1)............air, they will have breathing problems and become ill. Plants and animals need (2)..........air too. A lot of the things (3)...........our lives create harmful gases and make the air dirty, like cars, motorbikes and factories. Dirty air is called "polluted air". Air pollution can also (4)...........our Earth warmer. The problem of air pollution started with the burning of coal homes (5).............factories.

Trả lời dùm mình câu 1 thôi 

Read the passage and answer the questions.

 The environment is senously polluted today. To protect the environment, we should reduce the plastic bags, bottles and cans. We should put the garbage in a certain place or in the recycling bins. Remember save and recycle paper so that we can avoid cutting a lot of trees in the forest. That means we can reduce the soil pollution. It would be better if we go to work or school by bike or walk, we can save energy and keep the air cleaner. Or we can reuse and recycle things. And we should not throw trash into the rivers and lakes to keep the water not polluted. Do these things we will protect the environment and we will live healthier life.

1. How is the environment today?

2. Where should we put the garbage?

3. Why must we save and recycle paper?

4. Will we live healthier life if we keep the environment clean?

River are on of the world's most important natural resources . Many cities are on the large rivers , and .....evry country has a least one river that....an imprtant part in the lives of its people. Besides transportation , river .....water for crops , water to drink , and recreation for people who live along their.....And in......to get water for crops , engineer sometimes build a dam.....a river and let water for crops , water to drink , and recreation for water not .....to irrigate fields but also to make electricity for homes and industries. .....the water often becomes polluted when cities on river bank grow up and the number of industries increases. We are learning that it is necessary to......rivers clean if we want to enjoy the benefit of the natural resources