1. I think pollution is a serious problem nowadays. Because it causes the air quality to decrease, the water environment is altered, aquatic species do not have a safe habitat leading to mass death, the land becomes barren, the plants are not viable and cannot be used for agricultural activities. 
2. My neighborhood has to face with air pollution, water pollution, soil pollution. 
3. Air pollution is caused by waste from industrial zones, urban areas, air from factory operations in industrial zones, fertilizers used in agriculture, wastewater, aquaculture waste sludge, seafood processing, smoke in means of transport,...
4. Effects of water pollution: People suffer many diseases due to the use of dirty water in their daily activities, causing great losses for production and business industries, aquaculture households, ...
5. Prevent noise pollution: close windows, wear headphones, improve sound insulation of walls, plant trees. 
6. English-speaking countries: United States, Great Britain, Canada, Australia, South Africa, Ireland, New Zealand.

Study well :))

Câu 1: Nowadays, there have been lots of many homeless people, especially street children. I want to provide food, clothes and blankets for the them. The main reason is that I want to share the things I have with children who are in need. I hope no child will be hungry and cold in the winter. To do this work, I will cook food and bring it to street children on the weekends. I will also encourage my friends to donate clothes and blankets which they don’t need for the street children.

Câu 2:

I will give homeless children some money and some cakes

Câu 3:

Người ta nói rằng bắt đầu hoạt động tình nguyện khi còn là thiếu niên là vô cùng có lợi. Hoạt động tình nguyện mang đến cho giới trẻ cơ hội vượt qua những thử thách thực tế và tạo ra những thay đổi có ảnh hưởng. Hoạt động tình nguyện không chỉ cho phép thanh niên đóng góp cho cộng đồng mà còn giúp họ phát triển các kỹ năng sống quan trọng, nuôi dưỡng sự đồng cảm và ý thức trách nhiệm xã hội, đồng thời xây dựng nền tảng vững chắc cho cá nhân và xã hội. phát triển nghề nghiệp. Thông qua trải nghiệm tình nguyện, thanh thiếu niên học cách hợp tác làm việc, thích nghi với các môi trường khác nhau và hiểu biết sâu sắc hơn về thế giới xung quanh.

1. The negative effect we have on the environment.

2. Yes, I do.

3. Name some sources of energy: solar, sunlight, wind, oil, coal, natural gas,...

Renewable sources: solar, sunlight, wind,...

Non - renewable sources: oil, coal, natural gas,...

4. Because sunlight we can' t use them all up - they will last forever.

1. I'm using Social Networks: Facebook; Instagram; Zalo; ...

2. I have pressure from my schoolwork, from my parents and myself

3. I participate in chess club; sports club and Maths club.

4. I chose chess club because it improves my mental health.