Q: Q: Producing light without a high temperature is called? Choices: - plasma - fluorescence - effervescence - luminescence A:
A: luminescence

Q: Q: What is mass number? Choices: - to total number of electrons and neutrons in a nucleus - to total number of protons and electrons in a nucleus - the total number of protons and chondrichthyes in a nucleus - the total number of protons and neutrons in a nucleus A:
A: the total number of protons and neutrons in a nucleus

Q: Q: What gas produced by fossil fuel use is a major cause of global warming? Choices: - helium - hydrogen - phosphorous - carbon dioxide A:
A: carbon dioxide

Q: Q: Breeding in birds occurs through an internal type of what process? Choices: - segmentation - sedimentation - stimulation - fertilization A:
A: fertilization