Fact 1: Arainbow is formed by refraction of light by separating light into all different colors. Fact 2: Refraction is the bending of light. Given the two facts above, answer the question "What is formed by the bending of light?" with the following options: - motion - fossil fuels - A rainbow - coral reefs - coral - movement - an object - kalenchoes
A rainbow

Fact 1: Threatening behavior by predators causes a porcupine to extend its quills. Fact 2: Similarly, threatening or intimidating behaviors are also forbidden. Given the two facts above, answer the question "What defense mechanism does a porcupine use when intimidated?" with the following options: - eardrum - deadly - sound - instincts - steroids - organ - quills - blastoids
quills

Fact 1: Fossils are formed when layers of sediment cover the remains of organisms over time. Fact 2: Fossils are evidence of prehistoric life that is preserved in rock. Given the two facts above, answer the question "Prehistoric life is preserved in rock when what covers the remains over time?" with the following options: - Plant growth is reduced - an amoebae - layers of sediment - single-celled organisms - loose soil - layers of fungus - layers of bone - layers of mucus
layers of sediment