The hard external covering of some invertebrates is called a what

Which parts of a compound microscope magnify objects?

What is the most important reason for food processing and preservation?

The centripetal force acting on a satellite in orbit A. acts as an unbalanced force on the satellite. B. changes the direction of the satellite. C. is a center-directed force. D. all of the above

If a car travels 40 km in 2 hours what was its average speed?

How do scientists determine how long meteorites have been in space

Wood is an example of a fossil fuel. User: The type of energy stored by fossil fuels such as coal is a. kinetic energy. b. mechanical energy. c. chemical potential energy. d. electromagnetic energy. User: An example of a fossil fuel is a. wood. b.

What type of changes does erosion cause? A physical B chemical C electrical D magnetic

Which of the following will exert a force on a magnet? another magnet a nearby piece of glass a nearby piece of plastic a nearby electric current

The rate at which light energy is radiated from a source is measured in which of the following units? A. Lumen B. Candela C. Lux D. Angstrom

Which type of energy makes up most of the internal energy of a solid substance? A. Kinetic energy from translation B. Kinetic energy from rotation C. Kinetic energy from vibration D. Potential energy from intermolecular forces