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Match the words with the pictures.

famine

forest fire

drought

flood

water shortage

What is the common cause of all the disasters depicted in the pictures above?

Prof. Linn is talking to a class of grade 11 students about global warming. Listen to the talk and choose the best answers.

Which of the following is NOT mentioned in the talk?

Prof. Linn is talking to a class of grade 11 students about global warming. Listen to the talk and choose the best answers.

What is the main purpose of Prof. Linn's talk?

Prof. Linn is talking to a class of grade 11 students about global warming. Listen to the talk and choose the best answers.

How many sources of greenhouse gas emissions does Prof. Linn mention?

Prof. Linn is talking to a class of grade 11 students about global warming. Listen to the talk and choose the best answers.

How many people may have to suffer from the effects of global warming?

Prof. Linn is talking to a class of grade 11 students about global warming. Listen to the talk and choose the best answers.

According to the talk, what is the first step to take to help to reduce global warming?

Listen to the talk again and answer the questions.

1. According to Prof. Linn, what are the greenhouse gases?

2. What leads to the increase in temperature?

3. What catastrophic weather patterns are mentioned in the talk?

4. What can the catastrophic weather patterns lead to?

5. Why is it necessary to be well-informed about the topic?

If the weather patterns in Viet Nam have changed over the last ten years.

Provide some examples.