100 g of 20% salt solution is mixed with 200g of 10% salt solution. find out the concentration of the resulting solution.

Match term definition ellipse a) diagonal cross section of a cylinder circle b) diagonal cross section through the widest part of a sphere sphere c) cross section parallel to the base of a cone great circle d) shape created when a semi-circle is rotated around the y-axis triangle e) perpendicular cross section of a cone

37.0 °c = °f (human body normal temperature)

Which of the four hypothetical substances you investigated would be most harmful to living organisms? 50 points!