Which phrase describes air density? O increases as altitude increases
O equals mass divided by volune
O pushes molecules in one direction
O exets less pressure as it increases

1. which of the following is correct regarding opiates/opioids: a. they all have a natural component as a starting pointb. they have low addiction possibilitiesc. methadone binds to some of the same receptorsd. a and care correcte. all are correct

Which of the following is not a possible effectof increasimg carbon dioxide levels in the atmosphere ?

The hardy-weinberg principle is that genetic frequencies in a population? will remain stable from generation to generation will always be changing will not be affected by environmental changes are always in a 3: 1 ratio