Provide examples of physical weathering and chemical weathering

is this for the e2020 class

plato users:

d.  

there was a variety of food available on island x, but there were only large seeds and nuts on island y.

"it built up in the atmosphere"

i think thats it, idk, i tried looking for this exact q& a for grad. and idk if i got this question right or sorry if im wrong