Which of the following statements is true?
Running an electric current through a magnet can create a magnetic field.
Electrons are found in the nucleus of an atom.
The strength of a magnetic field increases with distance.
Electric engines change electricity into magnetism.

Nasa scientists must work together to make sure that everything is correct and accounted for when launching a shuttle. besides a physicist, what other type of scientist would be in making sure that the shuttle has the appropriate type and amount of fuel to reach its destination?

Which of these parts of the membrane large moecules pass through it ?

How and why organisms are hierarchically classifies