-Frozen water that covers the ocean.

How do you think it is affected by human activities?

Freckles are a dominant trait in humans. both of the girls have the genotype ff for freckles. if either one marries a man with no freckles, what are the chances that their children will have freckles?

If a strand of dna has 35% thymine. what is the percentage of cytosine, adenine, guanine?

During an experiment, readings for blood pressure in a persons body were found to be constant . however , when he measured by a different blood pressure cuff , the readings differed by 15 points for each reading. this difference indicates that the results are