What process is oxygen going in and water coming out? is it electron transport

Which group is noted for the independence of gametophyte and sporophyte generations from each other? a) ferns b) mosses, hornworts, and liverworts c) charophytes d) angiosperms e) gymnosperms

How does the carbon cycle involve an exchange of carbon

What if the yeast were extremely active and produced more than 100ml gas. would you know? why/why not