Q: Fact 1: Lung cancer is most often caused by exposure to tobacco smoke. Fact 2: Lung cancer is the deadliest of all cancers. Given the two facts above, answer the question "What is very deadly?" with the following options: - sticks - truth - insults - Pesticides - chlorofluorocarbons - Tobacco smoke - Electrical energy - forest is destroyed
A: Tobacco smoke

Q: Fact 1: Adult echinoderms have radial symmetry. Fact 2: Sea urchins are echinoderms, in the same family as starfish. Given the two facts above, answer the question "What has radial symmetry?" with the following options: - peachleaf willow - sea urchins - humans - gastropod shells - A Greek letter - asymmetry - dogs - Most plants
A: sea urchins

Q: Fact 1: Antigens are molecules that the immune system recognizes as foreign to the body. Fact 2: Yes, foreigners are called Aliens. Given the two facts above, answer the question "What are molecules that are recognized by the body as alien?" with the following options: - parasites - Acids - heat or cold - negative - antigone - antibodies - antigens - blood cells
A: antigens

Q: Fact 1: Plastics are made from petroleum and produce toxic waste. Fact 2: Crude petroleum is imported for refining. Given the two facts above, answer the question "what does making plastic require?" with the following options: - digestion - weathering - less water - adding heat - recycling - Energy - death - refining
A: refining