A6 kilogram cat is resting on top of a bookshelf that is 1 meters high. what is the cat’s gravitational potential energy relative to the floor?

The grooves or folds of the brain are called

Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space

Asubstance is a good conductor of electricity which of the following best explains a probable position of the substance in a periodic table