When molten rock undergoes crystallization above ground, what type of rock results?
a. intrusive igneous rock
b. extrusive igneous rock
c. metamorphic rock
d. sedimentary rock

The isotonic saline solution described in part a is connected to an unknown solution via a semipermeable membrane, the unknown solution level drops. based on this information, what can be said about these two solutions?

How are the terms group and period used on the periodic table

Does the number of ions in solution increase, decrease, or remain constant? it continuously decreases. it continuously increases. it decreases at first, then increases. it increases at first, then decreases.