Question 1 of 10 An experiment is designed to compare the differences in learning outcomes
between learning math from a video game and learning it from traditional
classroom activities. The experiment finds no difference between the two.
What was the independent variable in this experiment?

Manual pipetting creates a musculoskeletal load on the neck, shoulders, and upper limbs and the type of injuries that this can lead to is called repetitive stress injuries.

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Some connecting rods have to lubricate the cylinder wall or piston pin. the answer is letter d. graphite coating can be a major  additive to many  coating  systems and things such as connecting rods.  it functions as a refractory, lubricant, thermal conductor, and electrical conductor for a machine or thing to enhance its work.