Tablation, ale produced during this decay. none of these are attracted to
the electric field.
12)
starting with 100 grams of uranium-238, after one half life has gone by, how many grams of uranium-238 will
remain?
12.5 grams
b)
25 grams
50 grams
100 grams
230 – 234 th +
he

Which sentences describe point source pollution? in this type of pollution, the source of the pollution is single and easily identifiable. when runoff water from the melting of snow mixes with debris, it creates pollution. the runoff water, mixed with pollutants, reaches large areas with disastrous effects. alternatively, when a wastewater treatment plant releases harmful chemicals into a stream, the chemicals pollute the stream water because they are not treated for safety.