Is this is right because trying to make sure that it is right

What are chlorofluorocarbons made of

Which of the following sex and generation combinations directly produces the pollen tube of angiosperms? a) male gametophyteb) female gametophytec) male sporophyted) female sporophyte

To sciences do not agree on which type of grocery bag is better for the environment what is most likely to come out come out of the disagreement