Amirror works on the principle of a. refraction b. reflection, c.dispersion? and a lens works on the principle of a. refraction b. reflection c. dispersion?

Which planet do you think would be easiest for humans to colonize some day?

A10-kg piece of aluminum sits at the bottom of a lake, right next to a 10-kg piece of lead, which is much denser than aluminum. which one has the greater buoyant force on it? explain. b - the aluminum a) both have the same buoyant force. b) the aluminum c) the lead d) it cannot be determined without knowing their volumes.

Why do atoms emit energy of only specific wavelengths