Question 2 of 10 What is the purpose of the flame that is lit below a hot air balloon? A. To increase enthalpy B. To incre

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Question 2 of 10
What is the purpose of the flame that is lit below a hot air balloon?
A. To increase enthalpy
B. To increase reduction
C. To decrease enthalpy
O D. To decrease specific impulse

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Thanh Hà 6 months 2021-07-31T20:11:45+00:00 1 Answers 6 views 0

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    2021-07-31T20:13:43+00:00

    Answer:

    (A.)

    Explanation:

    To increase enthalpy.

    the burner uses flames to heat the air so the balloon will rise

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )