In humans, having freckles is dominant over not having freckles. neither george nor ruth has freckles. what percentage of their children will have freckles? 0 percent 25 percent 50 percent 100 percent

0%

Explanation:

because freckles are not a dominant trait, and George & ruth have no freckles, the likelyhood of their children having freckles is 0%.

false because ozone (o3) depletion does not cause global warming, but both of these environmental problems have a common cause: human activities that release pollutants into the atmosphere altering it.

global warming is caused primarily by putting too much carbon dioxide into the atmosphere when coal, oil, and natural gas are burned to generate electricity or to run our cars.

explanation: