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3) A hot air balloon has three major parts: the basket, the burner, and the envelope. The basket is
where passengers ride. The basket is usually made of wicker. This ensures that it will be
comfortable and add little extra weight. The burner is positioned above the passenger's heads.
The envelope is the colourful fabric balloon that holds the hot air. The pilot can control the up
and-down movements of the hot air balloon.
Answer the following questions.
a) What keeps a hot air balloon flying?
b) How the balloon's pilot can control the balloon's altitude?
c) Using the passage as a guide, it can be inferred that which of the following
d) statements is not true?
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Answer :

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Answer:

a) **What keeps a hot air balloon flying?**

A hot air balloon flies because the burner heats the air inside the envelope, making it less dense than the cooler air outside. This difference in air density causes the balloon to rise.

b) **How does the balloon's pilot control the balloon's altitude?**

The pilot controls the balloon's altitude by adjusting the heat produced by the burner. Increasing the heat causes the balloon to rise, while reducing the heat allows the balloon to descend.

c) **Using the passage as a guide, it can be inferred that which of the following statements is not true?**

Here are some statements to consider, with one being not true based on the passage:

1. The basket is made of wicker to add comfort and minimize weight.

2. The burner is positioned below the passengers' heads.

3. The envelope is the colorful fabric that holds the hot air.

4. The pilot controls the up-and-down movements of the balloon.

Based on the passage, statement 2 is not true. The passage clearly states that the burner is positioned above the passengers' heads, not below.

Explanation:

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