Answer:
Refraction is the change in direction of waves that occurs when waves travel from one medium to another. Refraction is always accompanied by a wavelength and speed change. Diffraction is the bending of waves around obstacles and openings.
Answer:
The U.S. government protects fish, a common resource, by selling fishing licenses and regulating fish lengths
Explanation:
When there is regulation about a particular goods, it reduces the rate the availability of such goods is abused, US government could actually protect fish through licensing and regulation of the type to be sold including there length which ensures the protection of the juvenile.
You should wear safety goggles, make sure that your equipment is clean, and use the proper amount of chemicals(or other substance) as told
2 lowercase letters means that the recessive gene is visible, so it should be red feathers