Answer :
Answer:
B
Explanation:
B is the only answer choice that provides a rate
(like 3ºC/ hr meaning 3ºC per hour)
all the other answer choices don't have a /hr
so best answer choice is B
Answer:
B
Explanation:
B is the only answer choice that provides a rate
(like 3ºC/ hr meaning 3ºC per hour)
all the other answer choices don't have a /hr
so best answer choice is B