Why is 100 alcohol not an effective disinfectant as 70 percent?

Below, the levels of organization in a multicellular organism are shown from least to most complex. which level of organization can be described as several different types of tissues working together to perform a common task?

If the nucleus of a cell was removed the cell wouldn’t be able to make proteins because

Veronica and her little sister, monique, are playing on a seesaw. if veronica weighs 75 pounds, and monique weighs 60 pounds, which statement is true?