Each microspore becomes a

form two kinds of spores: microspores, which give rise to male gametophytes, and megaspores, which produce female gametophytes.

Microspores are land plant spores that develop into male gametophytes, whereas megaspores develop into female gametophytes. The male gametophyte gives rise to sperm cells, which are used for fertilization of an egg cell to form a zygote.

hope this helps your

i am going to guess that it is co2.

blue stars have the highest surface temp

stellar distances are usually expressed in light-years

the measure of a star's brightness is called magnitude

hope this !