A. rust because rust is the only chemical weathering listed in the answers that i know of
Hope this helps!!!!!!!!
Well you can give them stuff that they want but that always don't work,so u can be nice to them or ask them what is wrong with them hope this helps :))))))(
C. Mutualistic relationship
Flowers and hummingbirds have a mutualistic relationship where both benefit. Flowers produce food in the form of nectar (sugar and water) to attract hummingbirds which, in turn, move pollen for the plant (pollination).
