Q: How does the diaphragm look like when it is at rest? Choices: - flat - inverted - dam - shaped - dome-shaped A:
dome-shaped

Q: In a scientific experiment, the variable that is affected by the other one is called what? Choices: - effective variable - essential variable - independent variable - dependent variable A:
dependent variable

Q: What device is used to study charge? Choices: - microtome - nannostomus - microscope - electroscope A:
electroscope

Q: Bones are part of which body system? Choices: - hard system - circulation system - muscular system - skeletal system A:
skeletal system