Does pure water conducts electricity?
why?

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

The chemical bond connecting one nucleotide with the next one along the nucleic acid chain is called a

Word equation for k(s) +h2o(l) yield koh (aq) + h2