Q: What is it called when currents keep reversing direction? Choices: - circle current - emitting current - stream current - alternating current A:
alternating current

Q: What mechanism is used by living organisms to pass along genes? Choices: - protein - digestion - chlorophyll - dna A:
dna

Q: Q: What is root that does not arise from a usual place? Choices: - momentous - monomers - hypochlorous - adventitious A:
A: adventitious

Question: Q: What is the process by which organisms change in small ways over time? Choices: - spontaneous mutation - natural selection - adaptation - microevolution A:
Answer: microevolution

*Question*
Q: What do rocket-based systems use to propel itself into space? Choices: - water reactions - hydrogen reactions - nuclear reactions - chemical reactions A:
**Answer**
chemical reactions

*Question*
Q: Temperature is a measure of the motion (kinetic energy) of what? Choices: - particles - nucleus - electrons - molecules A:
**Answer**
molecules