Acting as head of state, the president might do which of the following? A appoint a committee to study an economic issue
B conduct treaty negotiations with Brazil
C invite famous poets to dinner at the White House
D retreat to a private residence while on vacation

Lava and other matierls luanced from a volcano and into the air are referenced as

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.

The principle of checks and balances is based on the notion that