Name two index fossils. Why are these fossils important to the practice of relative aging?

Which best describes a difference between electric current and static electricity? A. Electric current is continuous, and static electricity is not continuous. B. Static electricity is continuous, and electric current is not continuous. C.

Which one is made up of one or more molecules

What's the difference between a wave pulse and a continuous wave

How to find the charge of a proton in coulombs

What ion is most closely associated with bases?

What is efficiencywhat is the formula of mechanical advantage and velocity ratio of labour

What is the wavelength of an ekectromagnetic wave that has a frequency of 40,000 hz? the speed of light is 3x10^8 m/s?

Witch of the following is an example of a pull

Can two like charges attract each other

By applying a force of 50N, a pulley system can lift a box with a mass of 20 kg. What is the mechanical advantage of the pulley system?