reuse - c. to use something again
reduce - e. to make something less
recycle - h. to treat waste materials so that they can be used again
save - a. to keep something to use in the future
wrap - f. to cover something completely in paper
swap - b. to give something to someone in exchange for something else
turn on - d. to make something start working
turn off - g. to make something stop working
People should B. reduce noise.
D. A and B are correct (Plastic bottles and glasses can be recycled).
My older sister often A. reuses old envelopes to decorate her room.
We shouldn’t use D. plastic bags to store food, let’s use bags made of natural materials.
Lan always D. A and B are correct (swaps and exchanges books and clothes with her friends and cousins).
You should put used cans and glass bottles into B. recycling bin.
We should use D. All are correct (reusable, refillable, recyclable) plastic boxes or bottles because they are good for health and safe for the environment.
Soil pollution B. causes many bad effects on ecosystems and human life.
Many plants and animals die because of C. deforestation.
The air in this city is C. polluted by emissions from nearby factories.
The B. effect of water pollution is the death of many types of fishes.
Rising sea level can make some cities D. disappear.