Listen to the interview again and choose the correct answers.

1. How do trees give us food?
a. Foods like nuts and fruits grow on them.
b. They help food grow by keeping soil in place.
c. Both a and b.
2. How do trees give us water?
a. Water is released through their leaves.
b. Water is released through their roots.
c. Both a and b.
3. What can we use the wood from trees for?
a. To build places to live.
b. To make products.
c. Both a and b.
4. How do trees help us breathe?
a. They release oxygen into the air.
b. They take oxygen out of the air.
c. Both a and b.
5. Why are people organizing tree-planting projects?
a. So there will be more carbon dioxide in the air.
b. They want to replace trees that were cut down.
c. Both a and b.
SUMMARIZE Complete the summary.
wash away • humans • chopped down • inhale • stay in place • survival
carbon dioxide • roots • crucial • approximately

1 and other living things need trees for 2 . How do
trees help us? They provide food, like fruits and nuts, and they prevent erosion by helping
soil 3 .Trees also provide 4 75% of the world’s
water. The 5 of trees absorb water from the rain and then release it
back into the air through their leaves. Trees give us wood for houses and many products
we use. They also help fight pollution by absorbing 6 from the air.
Every time we breathe, we 7 oxygen released into the air by trees.
There’s no doubt that trees play a 8 role in our environment, yet
billions of them are 9 each year. That’s why it’s so important to plant
more trees.

1. c. Both a and b.

2. c. Both a and b.
3. c. Both a and b.
4. a. They release oxygen into the air.
5. b. They want to replace trees that were cut down.

Summary:
Humans and other living things need trees for survival. Trees help by providing food, preventing erosion, and giving us water. Trees absorb water through their roots and release it through their leaves. They also provide wood for houses and products and help fight pollution by absorbing carbon dioxide. Trees play a crucial role in our environment, but approximately billions of them are chopped down each year. Therefore, tree-planting projects are organized to replace the trees that were cut down.