Which of these in an accurate statement about scientific variables? A they can be connected to one another B they are the same in every experiment C there can be one variable in any experiment D there is no way to know what variables are most important

A. They can be connected to one another.

Explanation:

coil wire, increase current, put iron inside the coil

in simple terms, the principle states that the buoyancy force on an object is equal to the weight of the fluid displaced by the object, or the density of the fluid multiplied by the submerged volume times the gravitational acceleration, g. this is also known as upthrust.