Keeping our Earth Green Worksheet-5
True or False
We should not cut down too many trees at one time.
Trees release carbondioxide gas.
Carbondioxide is needed by all living beings.
Cutting down of trees in large numbers is called afforestation.
Planting of trees in large numbers is called deforestation.
Paper is made from wood pulp.
It takes the timber of 7,000 trees to make large number of paper.
We should recycle the paper.
It takes the timber of only one tree to make the hundreds of paper.
Paper is made from the flowers of the trees.
Answer Key:
True
False
False
False
False
True
True
True
False
False