Who used the first standardized system of measurement?
a.
the romans and greeks
c.
the egyptians and babylonians
b.
the neanderthals
d.
the french and germans

What is the mass of 0.46 mil of mgcl2

Witch two conditions can limit the usefulness of the kinetic molecular theory in describing gas behavior?

How does a nuclear reactor produce electricity? a. high-energy gamma rays are converted by a generator into electricity. b. the heat from the reaction turns water to steam, which runs a generator. c. the reaction produces a stream of electrons that flow through wires and into batteries. d. the heat released from the reaction is used to burn coal or gas to produce electricity. e. control rods absorb the neutrons emitted and release a stream of electrons as electricity.