Which of the following correctly explains the meaning of the statement "the relative humidity in phoenix is 10 percent today" a. ten percent of the air in phoenix is water vapor. b. the air holds 10 percent of the water that is available in phoenix. c. the air in phoenix holds 10 percent of the water that it could hold. d. ten percent of the water in the air in phoenix is contributing to the humidity.

My question says on my assignment. read the following scenarios and decide which of the properties of life are being described. the first one is. katherine stopped on the way to school to grab some donuts. 2. because a dog cannot sweat, it has to pant in order to stay cool. 3. an elephant trun had no bone but 4,000 muscles. i have no idea what i am supposed to anwer. i can't find the answer in my notes or book that i can understand anyway

Describe the response the kidneys have to dehydration and excessive water intake. what happens to the concentration of urine in each case ?

Plz genetic engineering can be applied to many fields including medicine and agriculture. which of the following is a medical application of genetic engineering? a. giving crop plants recombinant dna so that they would be resistant to herbicides. b. examining a persons pedigree to determine whether they can carry a gene for a genetic disease. c. analyzing a persons dna to see how closely they are related to another person. d. certain genes into bacteria so that they will produce a needed medicine.