yortizquitero08 yortizquitero08

19-08-2017
Biology

contestada

Why must an experiment or a survey be controlled? What is the difference between the control group and the experimental group in a controlled experiemnt?

Respuesta :

questionsgalore questionsgalore

19-08-2017

An experiment or survey must be controlled in order to receive accurate results.

In an experimental group, the independent variable is changed. But in the control group, the independent variable stays the same.

Answer Link

walickiii walickiii

20-08-2017

In tho control group everything is kept constant.

Answer Link

ACCESS MORE

Otras preguntas

At a pharmacy, customers take a number to reserve their place in line. If the product of the ticket number now being served and the next ticket number to be ser

Two billion people jump up in the air at the same time with an average velocity of 7.0 m/sec. If the mass of an average person is 60 kilograms and the mass of E

Which of the following statements about the people and culture of Iran is NOT true? Most Iranians are Shia Muslims. Iran has one of the largest populations in S

Hugo uses his characters to describe his view of human nature. Discuss how each main character represents another facet of Hugo’s view?

how can you use place value and period names to read and write 324,904 in word form

The acceleration of the gravity Moon is equal to one-sixth of Earth's gravitational acceleration times. if an astronaut has a mass of 60 kg, what is the mass an

Stark quotes both Edward Burnett Tylor and Herbert Spencer and argues that both of them took pains to point out that only some kinds of religions have moral imp

Solve for b −3b+2.5=4 Two step equations with fractions and decimals

In the equation x^2 mx n = 0, m and n are integers. The only possible value for x is –3. What is the value of m ? a. 3 b. –3 c. 6 d. –6 e. 9

what did many protestants believe their faith gave them