Which of the following is an example of a prokaryotic cell? A. an animal cell B. a protist cell
C. a bacterial cell
D. a plant cell

Why was the sample heated in step 5? describe the chemical principles involved in the reasoning behind this step?

Are these strong bases, neutral, strong acids, weak acids or weak base household bleach (ph=12.6) fluid in a car's battery (ph of less than 1.0) milk (ph=6.7) stomach contents (ph=2.2) pure water (ph=7)

Spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?