Q: In an experiment, what is kept constant so they will not affect the results, including affecting the dependent variable? Choices: - atmospheric controls - similar controls - educated controls - experimental controls A:
experimental controls
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Q: Most plates are made up of a combination of what? Choices: - oceanic and reflective lithosphere - continental and battered lithosphere - continental and reflective lithosphere - continental and oceanic lithosphere A:
continental and oceanic lithosphere
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Q: The brain and spinal cord are part of what system, which serves as a control center? Choices: - primary nervous system - active nervous system - large nervous system - central nervous system A:
central nervous system
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Q: What changes encoded waves which are being broadcast into sounds? Choices: - transmitters - amplifiers - band receivers - radio receivers A:
radio receivers
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