Answers

二酸化炭素と水です!

二酸化炭素は、有機物の中の炭素と空気中の酸素が結びついて出来て、水は有機物の中の水素と空気中の酸素が結びついて出来ます

Post A Comment
Were you able to resolve your confusion?

Users viewing this question
are also looking at these questions 😉