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In an experiment usually variables are controlled except for the independent variable. This one variable is changed and the dependent variable is read or observed. It becomes very hard to determine the effect of the independent variable if two variables are allowed to change and dependent variable observed because there is no way of easily determining the effect of the independent variable.
When scientists are checking the impact of drugs or a social initiative on humans they will say "all other factors like age, gender, income etc have been eliminated/ adjusted/ controlled" except for this one factor ie the social initiative eg the effect on reading ability of teenagers of teaching children to know their letters before school age or the effect of marijuana use on income etc.
What else can I help you with?
How many CN towers to space?
2 CN towers
How many killometers is the cn tower?
the cn tower is 6 km tall
How many songs does CN Blue have?
90?
How many stair does cn tower have?
There are 2579 steps from the main deck to the Sky Pod at the top of the CN Tower..
How many people have climb the stairs at the CN tower?
no one jump off the CN tower at least not yet
How many grams are in 4.3 moles of AI(CN)3?
4.3 moles of AI(CN)3 have 451,5 grams.
How many stories is the Cn Tower's Elevator?
550000000000
How many elevators does the cn tower have?
6 to the max
What is the formula and charge of Cyanide?
The formula for cyanide is CN^-. It has a charge of -1.
How many cn towers together weigh 5 quadrillion pounds?
The CN Tower weighs 130,000 tons or 260,000,000 pounds. 5000000000000000 pounds/260000000 pounds per tower=19230769.2 CN Towers 19230769 CN Towers weigh 5 quadrillion pounds.
What are the 12 pairs of nerves that exit the brain as part of the peripheral nervous system?
The 12 pairs of nerves that exit the brain are the cranial nerves. (CN I) Olfactory, (CNII) Optic, (CN III) Oculomotor, (CN IV) Trochlear, (CN V) Trigeminal, (CN VI) Abducent, (CN VII) Facial, (CN VIII) Vestibulocochlear, (CN IX) Trigeminal, (CN X) Vagus, (CN XI) Hypoglossal, (CN XII) Hypoglossal Nerves
How many people are in fusion fall?
52 CN characters
