Which of these is the least useful property for identifying gold?
a. smell
b. luster
c. density
d. hardness

If the frequency of the p allele is .63 in the population then what is the frequency of the q allele?

Which of the following is the source of energy for photosynthesis? a.) glucose b.) chlorophyll c.) carbon dioxide d.) sunlight

The mixture of sperm and fluids from the seminal vesicles, prostate gland, and cowper's glands is called