Three ways in which the hydrosphere interacts with the lithosphere

What properties of a moving object are used in determining the object's energy of motion

Gordon is going for a run through the park, but it is cold outside. the low outside temperature could affect his personal safety.

Engineers find a new metal that is stronger than steel but much lighter. this material is also significantly cheaper than what is currently used for most aircraft, available in large quantities, and easy to manufacture. the engineers are excited because this new material will lower the costs of buying and operating airplanes for companies. what is probably the best step for the engineers to make next?