1)Which gases contribute most significantly to acid rain? 2)How do the gases responsible for acid rain get into the atmosphere?

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The formation of a solid, also known as a is an indication of a chemical change. precipitate particulate particle powder

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.

Which statement best describes the function of enzymes?