A low-pressure mercury-vapor lamp has a characteristic emission line at 253 nm. Knowing that in one second this lamp is putting out 11.8 Joules of light energy, how many mercury atoms emit a photon during this one second of operation?1. 5.25 x 1020 atoms 2. 7.11 x 1024 atoms 3. 1.50 x 1019 atoms 4. 1.08 x 1017 atoms 5. 7.86 x 10â19 atoms 6. 4.73 x 105 atoms

The organism shown is a free-living one that is anchored to the bottom of ponds and streams during one stage of its life cycle what is the common name for the group to which this organism belong

Will give ! what are the advantages and disadvantages of nuclear power? check all that apply. one advantage of nuclear energy is that it does not produce carbon dioxide emissions. storage of nuclear waste is a short-term problem associated with nuclear energy. the problem with uranium mining is that a large quantity of uranium must be extracted to meet energy needs because the energy release from uranium fission is so low. safe operation of a nuclear power plant can be jeopardized by a human mistake.

Why does asexual reproduction result in offspring with identicle genetic variation