Q: Astronomers have wondered if the universe is expanding fast enough to escape the pull of what? Choices: - kinetic energy - Coreolis effect - light - gravity A:
gravity

Q: What is the simplest life cycle? Choices: - diploid life cycle - binary life cycle - metamorphic cycle - haploid life cycle A:
haploid life cycle

Q: Q: More uv rays reach the ground due to a decrease in what layer in the stratosphere? Choices: - troposphere - smog - gases - ozone A:
A: ozone

Question: Q: What do extensive properties depend on the amount of? Choices: - experimental controls - sample temperature - independent variables - matter in a sample A:
Answer: matter in a sample

*Question*
Q: What is applied to a rock to make it bend and flow? Choices: - phosphorus - weathering - acid - stress A:
**Answer**
stress

Q: Q: What kind of charge does a proton have? Choices: - ionic - constant - negative - positive A:
A: positive