At 27 degrees Celsius, the air can hold 25 grams of water per cubic meter. If the air has 20 grams of water per cubic meter, what is the relative humidity?

In which of the following ways is the function of the surface of a microsphere similar to the function of an actual cell membrane? a.both make it possible for the conditions in the interior to be different from the conditions outside. b.both provide a barrier that keeps water from flowing across it so the interior remains dry. c.both separate the rna that forms in the interior from any rna that might form in the environment. d.both can actively move molecules into the interior or out into the surrounding environment.

What is the role of fadh2 in cellular respiration

Which of these substances does not protect against invaders in the nonspecific immune response? a. saliva b. mucus c. tears d. urine