Answer:
a.
Explanation:
At 28 degrees highest line is CaCl2. Answer a.
Answer:
Pangaea
Explanation:
About 300 Million Years Ago, Earth Didn't Have Seven Continents But Instead Earth Had One Massive Super continent Called Pangaea.
an element whose properties are intermediate between those of metals and solid nonmetals. they are electrical semiconductors.
Answer:
this is not and reaction of acid and base.(CaOCL2)
Explanation:
Ca2, Cl, are base and O is a neutral.
so how can that be a acid and base reaction