As a wavelength decreases the crest of the wave a. become wider b. become shorter c. get lose together d. get farther apart

Describe different biomes. what are some adaptations that organisms (plants or animals) must have to live in each biome?

Sound travels slower in colder air that it does in warmer air. make a claim about the effect of air temperature on the speed of sound. support your claim with evidence

Explain how a step-down transformer makes electricity safe for use in homes