Q: What lens shape corrects myopia? Read this paragraph and choose the correct option from the provided answers: Myopia is corrected with a concave lens, while hyperopia is corrected with a convex lens. Choices: - flat - convex - curve - concave A:
concave

Q: Work is done only if a force is exerted in the direction of what? Read this paragraph and choose the correct option from the provided answers: Work is done only if a force is exerted in the direction of motion. If the motion is perpendicular to the force, no work has been done. If the force is at an angle to the motion, then the component of the force in the direction of the motion is used to determine the work done. Choices: - wind - north - gravity - motion A:
motion

Q: What term describes the splitting of the nucleus of an atom into two smaller nuclei? Read this paragraph and choose the correct option from the provided answers: Nuclear fission is the splitting of the nucleus of an atom into two smaller nuclei. This type of reaction releases a great deal of energy from a very small amount of matter. It begins when the nucleus of a radioactive atom gains a neutron. Choices: - nuclean fusion - atomic reaction - critical fission - nuclear fission A:
nuclear fission

Q: What are jellyfish and other cnidarian's stingers called? Read this paragraph and choose the correct option from the provided answers: Cnidarians such as jellyfish have radial symmetry. Flatworms and roundworms, which you will read about next, have bilateral symmetry. Choices: - prokaryotes - necrocytes - phenocrysts - nematocysts A:
nematocysts