Which of these is an example of chemical weathering?
a.
eroding of cliff rock by waves
b.
rusting of rock with iron in it
c.
combining of chemicals in science lab
d.
splitting of rock by plant roots

B

Explanation:

Definition: the erosion or disintegration of rocks, building materials, etc., caused by chemical reactions (chiefly with water and substances dissolved in it) rather than by mechanical processes.

      x/140 = 25/100

we need to find the x to find the x multiply 140 and 25

and what do you get 3500.   and what is 3500 divided by 100

= 35

one time i was looking at my neighbors screen door to see if the door was open i was squinting like a fool for 10 minutes before realizing he was starring back i then died from embarrassment and am now typing this from the ghost world