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Word bank

noise pollution (n.) global warming (n.)

噪音汙染 全球暖化

coral bleaching (n.)

ozone layer (n.)臭氧層 珊瑚白化

icebergs (n.) 冰山

Review

1. The sound made by ship can cause whales to

be unsure of where they are, which can cause

whales to or

make louder sound causing whales to lose

their energy for swimming.

2. People release greenhouse gases which let

the hole appear in the __________. It

makes the temperature rise, ________ melt

and _____________.

3. 19