#1 Watch the National Day Parade live
#2 Watch the fireworks for free
#3 Put together a time capsule
#4 Become tourists for a day
The Grinch tried to steal Christmas in the 1996 cartoon
Answer:
Control variable
Explanation:
During the conduction of experiments for research, a control variable is introduced as a variable the researcher conducting the experiment holds as a constant. It is neither the dependent variable nor the independent variable, but it is something that affects the outcome thereby making it important. Control variable and controlled variable are two different things as the latter is another name for independent variable.
Two negatives equals a positive, raised to any even power will always be positive.
-1 x -1 = 1
-1 x -1 x -1 x -1 = 1
