*Question*
Q: Energy is absorbed in the process of converting a liquid at its boiling point into a what? Choices: - mesh - plasma - solid - gas A:
**Answer**
gas

*Question*
Q: Birds are thought to have evolved around 150 million years ago from what? Choices: - teradactils - raptor dinosaurs - parrot dinosaurs - theropod dinosaurs A:
**Answer**
theropod dinosaurs

*Question*
Q: The union of gametes is called? Choices: - pollination - migration - fusion - fertilization A:
**Answer**
fertilization

*Question*
Q: Every object is attracted to every other object by what force? Choices: - weight - magnetism - pheromones - gravity A:
**Answer**
gravity