What is the bending of a wave due to it entering a different medium as it travels? diffraction refraction absorption reflection

Which is the best for showing percentages of different types of cars sold(gas hybrid , electric , other ) in the united states ?

Give one example to show that when substances are mixed,it may result in a chemical or a physical change depending on the conditions.

The california mussel (mytilus californianus) attaches itself to a rock or other solid surface with a bundle of filaments known as the byssus. imagine that 15.0 j of work is done to stretch the distal end of the byssus. it releases 10.8 j of thermal energy as it relaxes. what is the resilience of the distal end of the byssus?