Which of the following is a result of natural erosion?
a. lost seed germination
b. widened valleys
c. all of the above
d. desert sands

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

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks

Which of these is an example of land degradation? a. containers designed to store pollutants leak. b. fertilizers provide too many nutrients to crops. c. garbage is buried so the land can be reclaimed later. d. a drought kills all the plants in an area, leaving bare land