Q: Carbon-14 dating is a method of what kind of dating? Choices: - orbital - stratigraphy - metamorphic - radiometric A:
radiometric

Q: Hfcs are used as a replacement for what? Choices: - nitrofluorocarbons - pollutants - gases - cfcs A:
cfcs

Q: Q: Where are sponges most likely anchored to? Choices: - sea floor - sand - beaches - reef or rock A:
A: reef or rock

Question: Q: A hydraulic jack that makes it possible to lift a car easily is an example of what, meaning it produces mechanical advantages? Choices: - quantum physics - simple weapon - complex machines - simple machine A:
Answer: simple machine

*Question*
Q: What term means anything that is detected either through human senses or with instruments and measuring devices that extend human senses? Choices: - variation - evaluation - evacuation - observation A:
**Answer**
observation

*Question*
Q: Where is the pressure of gases in the atmosphere at its greatest? Choices: - stratosphere - core - mountain ranges - sea level A:
**Answer**
sea level