2. What must be done to carbon dioxide gas to change it to a solid?.
3. Which is colder, dry ice or carbon dioxide gas?
If dry ice is placed in water, we see bubbles rise.
4. These bubbles are made of
in the
state.
5. What happens to the size of the dry ice as the bubbling goes on?

2. What must be done to carbon dioxide gas to change it to a solid?.

Carbon dioxide is a gas by using a metal to solidify it

3. Which is colder, dry ice or carbon dioxide gas?

Carbondioxide gas

If dry ice is placed in water, we see bubbles rise.

4. These bubbles are made of gaseous substance in the  gaseous state.

5. What happens to the size of the dry ice as the bubbling goes on?

the size of the dry ice reduces as a result of conversion of solid to liquid form

Explanation:

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hope that !         : )