Question

Why does osmosis occur? It happens because *
a gravity pulls all matter toward the center of Earth
b particles of matter are always moving
c diffusion is not possible in cells
d cells are the smallest parts of living things.

Answer 1

IT IS B OR D you

Answer 2

d

Answer 3

nope

Answer 4

A cell is placed in pure water. What will happen to the cell size? *
a it will shrink
b it will grow
c it will not change
d it is impossible to predict

Answer 5

D OR C

Answer 6

d

Answer 7

right

Answer 8

Students want to see if molecules of sugar diffuse in water. They add a sugar cube to a glass of water. How will they know if diffusion has occurred? *
a if the water can no longer be poured from the cup.
b if the water move around in a current..
c if the water changes color
d if the water becomes sweet to the taste.

Answer 9

B OR D

Answer 10

b