The diagram shows structures that represent different levels of organization in a human. Which is the second smallest level of organization? W X Y Z

The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?

Three people are traveling and need to exchange the currency of their native country for the currency of the country they are visiting. drag each exchange to the category that shows the ratio of currencies in that exchange.

Complete the conditional statement. if a + 2 < b + 3, then a < b b < a a – b < 1 a < b + 1