Q12

Draw on a piece of paper the table below and fill in the blanks.  (gauge pressure)

Q13

A scuba tank and an air balloon are both filled with air. They are placed in direct sunlight.  What happens to them:

a.) Nothing

b.) The tank volume increases / the balloon rises

c.) The tank pressure increases  / the balloon expands

d.) The tank pressure increases / the balloon remains the same size

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