Q: Q: What force explains why objects may float in water? Choices: - warm force - cool force - gravity force - buoyant force A:
A: buoyant force

Q: Q: Just as the reaction of a diol and a diacid forms a polyester, the reaction of a diacid and a diamine yields this? Choices: - phenol - polyethylene - acetone - polyamide A:
A: polyamide

Q: Q: While climate change in earth history was due to natural processes, what is primarily to blame for recent global warming? Choices: - wars - volcanos - factories - human actions A:
A: human actions

Q: Q: What ensures that seeds germinate only when conditions for seedling survival are optimal? Choices: - germination dormancy - seed forcing - survival dormancy - seed dormancy A:
A: seed dormancy