Determine which choice(s) is/are correct?

i. stirring slows down (decreases) rate of dissolution.
ii. grinding solids increases their surface area of contact.
iii. heating slows down (decreases) rate of dissolution.
iv. grinding solids speeds up their rate of dissolution.
a) i, ii, and iii
b) ii and iv
c) i and iii
d) iii and iv

2 and 4 so B) II and IV

Explanation:

I false ... stirring speeds up the rate of dissolution because it increases surface area . II is true , III false ... heating up speeds up the rates of dissolution , IV is true .

b

Explanation:

usatestprep

oh it is true if thats what you are asking

why is cellular respiration important for homeostasis?

it changes food into energy that the organism can use.

which of the following is most likely to happen if a cell is not able to divide?

the cell will not be replaced when it is damaged.

explanation: