Q: What type of pollution is generated by power plants and factories that can directly raise the temperature of water? Choices: - atmospheric pollution - Space Pollution - variable pollution - thermal pollution A:
thermal pollution

Q: How many valence electrons does helium have? Choices: - Five - six - three - two A:
two

Q: In addition to glucose, what gas is used during cellular respiration? Choices: - methane - hydrogen - nitrogen - oxygen A:
oxygen