If you change the 2 subscript to a 1 is it still carbon dioxide

no

Explanation:

if you change the oxygens its changes the molecule. It would then be known as carbon monoxide (CO)

from the original order (top to bottom) the new order will go

1 (founder)

4 (hawk)

2 (mutate)

3 (next generation)

b tumor cells have a cell wall instead of a membrane

explanation:

tumor cells different from normal cells because tumor cells have a cell wall instead of a membrane.