When hydrogen atoms are added to an unsaturated oil to cause more complete saturation, it produces?

When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change?

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

How is the shape of the poem “peer” connected to its meaning?