Which question cannot be answered by science? A).Why do rainbows appear after rain storms?
B).Which plants grow in the desert?
C).Why should endangered animals be protected?
D).What is the hardest element on Earth?

What layer of the atmosphere is directly above the troposphere?

If 1.8 l of water is added to 2.5l of a 7.0 m koh solution, what is the molarity of the new solution

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