Trent got a set of building blocks for his fifth birthday. He wanted to call his dad who lives out of state and share the exciting news about his gift. When his dad asked Trent to describe the blocks, Trent held a block up to the phone and said, "It looks just like this." What aspect of development is Trent showing?

While standing outdoors one evening, you are exposed to the following four types of electromagnetic radiation: yellow light from a sodium street lamp, radio waves from an am radio station, radio waves from an fm radio station, and microwaves from an antenna of a communications system. rank these type of waves in terms of increasing photon energy.