What must a magnet always have?
O A. Two like charges
OB. Two opposite poles
O c. Two opposite charges
OD. Two like poles

Is the alien theory a scientific claim? why or why not? just took the test it was , : " the alien theory is not a scientific claim because it is not based on valid data, there is no evidence to support it, and it does not come from a reliable source."

Ascrew incorporates which other simple machine? lever wheel and axle inclined plane pulley

What is the name for the remnant of an asymptotic giant that has lost its shells? black dwarf white dwarf yellow giant black hole