Which is an example of biodiversity?
a 90,000 fires © thousands of species
b deforestation d carbon dioxide

The president vetoes a bill proposed to become law by congress. in this situation, what happens to the bill?

Dr. redbull conducts a study to determine whether her new energy drink children perform better on spelling tests. she randomly assigns children to one of two groups: group 1 receives her energy drink and group 2 receives water. she then gives both groups a spelling test and compares the results. which of the following is true about this study? a. group 1 is the dependent variable and group 2 is the independent variable. b. this is a correlational study. c. group 2 is the experimental group. d. the independent variable is the type of drink the children receive.

What do you call places that belong to united states but arent states