Not exactly sure, but maybe because the powder might have something important like dna.<span />
I believe Mass wasting is caused by weathering and gravity.
Explanation:
Uhhmmm.....W-where's the diagram though?..
(• ▽ •;)
We can't even answer it cuz u didn't take a picture of ur homework or something..
(;ŏ﹏ŏ)(• ▽ •;)
That would be A. Produces reproductive organs which produce a zygote.
Zygotes grow into the sporophyte(diploid), spores grow into the gametophyte(haploid).
Sporophyte produces haploid spores through meiosis, gametophyte produces gametes through mitosis.
The last one is the correct answer