Answer:
all of the above
Explanation:
a hypothesis is indeed the second step. it also can be tested since you made it beforehand. it also is supposed to be educated. so all of the above.
(NH4)2CO3..... I just learned this so that why i know.
Answer:
Pure Glycol
For example,
Antifreeze will freeze at minus 34 degrees.
Also prevents your car from freezing up because of the Pure Gycol in it.
