Q: What are biochemical compounds, such as fats and oils, that consist of fatty acids and store energy? Choices: - proteins - oils - tissues - lipids A:
lipids

Q: What is the key to the demographic transition? Choices: - higher birth rates - higher expatriation - higher death rates - reduced family size A:
reduced family size

Q: Q: What is one trait that the sponge and tarantula share? Choices: - lack of ogranic - lack of a emerge - lack of a cycle - lack of a backbone A:
A: lack of a backbone

Question: Q: What do refrigerator magnets contain that make them stick to a refrigerator door? Choices: - steel - zinc - copper - iron A:
Answer: iron

*Question*
Q: What layer of earth contains abundant oxygen, which can combine with other elements to create oxide minerals? Choices: - the core - the surface - the tectonic plates - the crust A:
**Answer**
the crust

*Question*
Q: Radiometric dating methods, such as carbon-14 dating depend on what type of decay? Choices: - microwave - carbon - nuclear - radioactive A:
**Answer**
radioactive