yea fair enough but for 3 the graph shows molecules moving from high to low which suggests diffusion, if the concentration gradient was low to high then that would be active transport and 20 I just had an educated guess
my answers were
1)c
2)c
3)a
4)a
5)a
6)c
7)a
8)a
9)a
10)b
11)b
12)a
13)b
14)c
15)d
16)d
17)c
18)c
19)d
20)c
so many a's and c's I feel like I didn't do too good in MC but alright in rest of paper