Which statement is true about relative dating? a.) it is based on the half-life of carbon-14 atoms. b.) it is based on the position of rock layers. c.) it is the most modern of the dating techniques. d.) it is based on radioactivity analysis.

What is unique about the members of the group of fungi to which penicillium notatum belongs? they are not important for medicine. they are not made up of hyphae. they are used in fermentation. they lost the reproductive phase.

Astudent analyzed ears of corn that demonstrated two traits in the f2 kernels, purple or white colors and smooth on wrinkled shapes. a tabulation of 135 individual kernels gave the following results: purple and smooth = 75 white and smooth = 28 purple and wrinkled = 24 white and wrinkled = 8 what would be the only phenotype present in the f1 ger

Hurry where is the majority of earth's water found? o glaciers o oceans ground o rivers and lakes