cuu
----- Nội dung dịch tự động từ ảnh -----
organization
nearer
fossil fuels
charities
resources
building
SUBMIT
There are a lot of ways we can help. We must keep water clean and not waste it. Some
(1) are helping people to collect and store water. They are also (2) new dams,
wells, and pumps, so that people can have clean water (3)___ their homes. We must use
non-renewable (4) carefully. Scientists are investigating ways to use renewable
resources, like sun, wind, and water, to make electricity so that we don't need to use so
many (5). We can also try to use less electricity.