Answer:
2
Explanation:
3 is physical 4 is as well so it has to be 1 or 2
Question 2 ; the only star that is located in our solar system is the sun
The dust bowl was caused by a strong wind of erosion.
D. Exfoliation is the answer
<span>Carbonic acid formation
CO2(g) + H2O(l) ----> H2CO3(aq)
Dissolving of calcite
CaCO3(s) + H2CO3(aq) ----> Ca(HCO3)2(aq</span>