What is the difference between an electric force and an electric field?

Americium-241 undergoes fission to produce three neutrons per fission event. if a neutron-absorbing material is mixed in with this sample so that the rate of neutron production drops down to 1.8 neutrons per fission event, which will be effective at achieving a critical mass? check all that apply. remove a deflective shield surrounding the sample. remove absorbent material mixed in with the sample. compress the sample of americium-241.

Nonpoint source pollution is difficult to control because it

According to the tide table below what time of day will the highest tide occur? (2 pt) the highest tide will occur at