Q: Electrons flow through wires to create what? Choices: - electromagnetism - hydroelectric power - balanced reaction - electric current A:
electric current

Q: What fibres are seen in some vertebrates that twitch at rates far faster than any human muscle? Choices: - fast oxidative fibres - slow twitch fibres - fast glycolytic fibres - skeletal muscle fibers A:
skeletal muscle fibers

Q: What happens to charges whenever they are accelerated? Choices: - they fuse - they darken - they die - they radiate A:
they radiate

Q: The toothlessness of modern birds, which serves to trim the weight of the head, is an example of what? Choices: - mutation - genetic drift - variety - adaptation A:
adaptation