Question: Q: How many nonpolar bonds does an oxygen molecule have? Read this paragraph and choose the correct option from the provided answers: An oxygen molecule has two nonpolar bonds. This is called a double bond. The two oxygen atoms attract equally the four shared electrons. Choices: - 5 - 7 - 3 - 2 A:
Answer: 2

Question: Q: Sponges possess an internal skeleton called what? Read this paragraph and choose the correct option from the provided answers: Sponges have an internal skeleton that gives them support and protection. An internal skeleton is called an endoskeleton . A sponge endoskeleton consists of short, sharp rods called spicules (see Figure below ). Spicules are made of silica, calcium carbonate, or spongin, a tough protein. They grow from specialized cells in the body of the sponge. Choices: - hydrostatic skeleton - fluid skeleton - exoskelton - endoskeleton A:
Answer: endoskeleton

Question: Q: The populations that live in the same area form this? Read this paragraph and choose the correct option from the provided answers: All of the populations that live in the same area make up a community . The community that includes the goldfish population also includes the populations of other fish, coral and other organisms. Choices: - a colony - a habitat - a biome - a community A:
Answer:
a community