Answer:
There are 2500000 milligrams in 2.5 kg
Answer: C
Earths atmosphere maintains a stable temp
Answer:
B
Explanation:
A is wrong because heat is what makes the process faster.
B is right because the finer grains are able to dissolve at a higher rate since the amount of one grain reduces it's time to dissolve.
C is wrong because simply adding more water will not increase or decrease the dissolving rate.
