Question: Q: What broad group of animals - which includes rats, dogs and camels - have highly developed brains and often perform work for humans? Choices: - arachnids - reptiles - amphibians - mammals A:
Answer: mammals

Question: Q: Kinetic and potential are two forms of what? Choices: - pressure - fuel - exercise - energy A:
Answer: energy

Question: Q: The rate the magma cools determines what property of the rock? Choices: - size - color - location - texture A:
Answer:
texture