*Question*
Q: When an ionic compound dissociates in water, water molecules surround each ion and separate it from the rest of the what? Choices: - electron shell - mixture - gas - solid A:
**Answer**
solid

*Question*
Q: What giant planet is far away from and much less dense than earth? Choices: - venus - uranus - mars - jupiter A:
**Answer**
jupiter

*Question*
Q: What do you call the folded layers of rock where geologists look for oil? Choices: - oscillations - synclines - crests - anticlines A:
**Answer**
anticlines

*Question*
Q: The brain is said to contain gray matter, while what related structure contains white matter separated into columns? Choices: - brain stem - amygdala - orbital lobe - spinal cord A:
**Answer**
spinal cord