Q: The rocks that form most of the Sierra Nevada are granitic rocks. This means that the mountains were most likely formed by

OPTIONS:
- strike-slip faults.
- transform boundaries.
- volcanic activity.
- land subsidence.
A: volcanic activity.
Q: The Great Basin in Nevada is characterized by uplifted, tilted blocks forming mountain ranges and downthrown blocks forming basins. What rock type is MOST likely to form in the basins?

OPTIONS:
- metamorphic
- sedimentary
- intrusive igneous
- extrusive igneous
A: sedimentary
Q: A mosquito is a type of flying insect that lays eggs in puddles or small pools of water. When larvae develop from eggs, the larvae come to the surface to get air through special breathing tubes. After one to two weeks, the larvae become pupae and then turn into adults. How would a dry summer affect a mosquito population?

OPTIONS:
- The mosquito larvae would take longer to become pupae.
- The adult mosquitoes would have fewer places to lay eggs.
- The adult mosquitoes would get fluids by feeding more often.
- The mosquito larvae would use their breathing tubes to live on land.
A: The adult mosquitoes would have fewer places to lay eggs.
Q: A student has a ball of clay that sinks when placed in a pan of water. Which property should he change to make the clay float?

OPTIONS:
- color
- texture
- mass
- shape
A:
shape