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:
b
Explanation:
because the answer is obvious
Answer:
All of the living organisms have the ability to adapt.
Explanation:
Adaptations can give an organism a competitive edge but adaptations are not always used for completion against other species
