When performing labratory experiments, which of the following items is always necessary to use? a) gloves b) eye protection c) fume hood d) apron

About 70 percent of the earth's surface is water-covered, and about 96.5 percent of all earth's water is salt water. identify the watery feature on earth that is made of freshwater rather than salt water. a) bay b) glacier c) ocean d) sea it is not incomplete this is the true question

The name of the ion, s2-, is: sulfurous ion sulfide ion sulfur ion sulfate ion

Liv sheldon given the balanced equation for an organic reaction: c2h2 + 2cl2 → c2h2cl4 this reaction is best classified as *