(! ) what type of weathering changes a rock or mineral's composition?

oa) physical

ob) chemical

oc) mechanical

od) depositional

2. you__turn left on a red light if you are in the left-most lane of a one-way street, you're turning into the left-most lane of a one-way street, and no nearby sign prohibits the turn.

4. absorption has the highest risk of overdose due to increased potency. a. rectal b. oral c. transdermal d. intranasal

Why do cells appear different in distilled water than they do in 10% salt water?