Which of the following is NOT an example of a change of state? * HELP PL
Plants using photosynthesis to produce food.
Liquid water in perspiration changes to a gas when it evaporates.
An ice cream cone melts, forming a liquid.

Plants using photosynthesis to produce food.

the icecream one is not an example

its first and third is your answer i did the qustion the fourth isnt right

because natural gas is colorless, odorless, and tasteless, distributors add mercaptan (a chemical that smells like sulfur) to give natural gas a distinct unpleasant odor (it smells like rotten eggs). they locate the types of rock that are likely to contain natural gas deposits.