1. Which of the following statements best describes a prediction?
а
The number of deformed frogs in five
ponds that are polluted with chemical X
is higher than the number of deformed
frogs in five ponds without chemical X.
If the water in a pond has lower levels of
b pesticide then there will be less
deformed frogs.
С
The number of deformed frogs is not
affected by the presence of chemical X in
the pond.

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

Molecular models of two different substances are shown below. in the molecule on the left, the oxygen atom pulls on electrons more strongly than the hydrogen atoms. in the molecule on the right, the two oxygen atoms pull on the shared electrons with the same strength. water molecule, h, o oxygen molecule, oz when the two substances are put in the same container, they do not attract each other. why does this happen? a. they both contain oxygen. b. one is polar and one is nonpolar. c . they are both polar. d. they contain different elements.

Select three sports that require participants to be highly fit before the beginning a: snowboarding b: skydiving c: rock climbing d: bungee jumping e: free diving f: hiking