THINKING CRITICALLY 5. CALCULATE: Use Figure 12-10 to find the relative
humidity when the psychrometer readings are
as follows: a. wet bulb, 12°C; dry bulb, 20°C;
b. wet bulb, 33°C; dry bulb, 35°C; and c. wet
bulb, 22°C; dry bulb, 30°C.

What semimetal can form four single covalent bonds.

What’s a special glass that most beakers are made of

Maria wants to determine which type of disinfectant kills the most bacteria. which of the following is the best way for maria to determine this? a. ask ten different companies that make disinfectants which type is best. b. put the same amount and species of bacteria on ten identical plates, and add ten different kinds of disinfectant to each plate. c. interview ten different people to determine which type of disinfectant they prefer. d. put the same amount and species of bacteria on ten identical plates, and add a different disinfectant to each plate.