We can change the environment by digging _____________.
tunnels
We build ____________ to drive on.
roads
Many trees are _____________- when we build something.
We build ____________ to cross rivers.
bridges
TRUE OR FALSE: When we cut down trees animals will be happy.
False
TRUE OR FALSE: We change the environment when we build roads and tunnels.
True
We clear land to grow ___________ for food.
plants
We build ______ to go when we are sick.
hospital
We build ________ to rear animals for food.
farms
TRUE OR FALSE: Plants and animals will not be affected if we cut down trees.
False
TRUE OR FALSE: When we cut down many trees, many animals will lose their home.
True
We can build ___________ for children to study.