Q: Q: What are the two most common common ways that brain and spinal cord injuries occur? Read this paragraph and choose the correct option from the provided answers: Brain and spinal cord injuries most commonly occur because of car crashes or athletic activities. Fortunately, many injuries can be prevented by wearing seat belts and safety helmets (see Figure below ). Avoiding unnecessary risks, such as doing stunts on a bike or diving into shallow water, can also reduce the chances of brain and spinal cord injuries. Choices: - falls and surgical error - sports and household accidents - car crashes and falls - car crashes and athletic activities A:
A: car crashes and athletic activities

Q: Q: Why wouldn't a teakettle have an aluminum handle? Read this paragraph and choose the correct option from the provided answers: This teakettle is made of aluminum except for its handle, which is made of plastic. Aluminum is a good conductor of heat. It conducts heat from the flames on the range to the water inside the kettle, so the water heats quickly. Plastic, on the other hand, is not a good conductor of heat. It stays cool enough to touch even when the rest of the teakettle becomes very hot. Choices: - it absorbs light - it isn't washable - it is magnetic - it conducts heat A:
A: it conducts heat

Q: Q: What is the term for a symbiotic relationship in which the parasite benefits while the host is harmed? Read this paragraph and choose the correct option from the provided answers: Parasitism is a symbiotic relationship in which one species (the parasite ) benefits while the other species (the host ) is harmed. Many species of animals are parasites, at least during some stage of their life. Most species are also hosts to one or more parasites. Choices: - infection - reciprocity - pathology - parasitism A:
A: parasitism

Q: Q: An object with more mass has greater thermal energy than an object with less mass because it has more what? Read this paragraph and choose the correct option from the provided answers: 5. Thermal energy is the energy of moving atoms of matter. All matter has thermal energy because atoms of all matter are constantly moving. An object with more mass has greater thermal energy than an object with less mass because it has more atoms. Choices: - molecules - ions - gravity - atoms A:
A: atoms