Answer:
In optics, the refractive index of a material is a dimensionless number that describes how fast light travels through the material. It is defined as n={\frac {c}{v}}, where c is the speed of light in vacuum and v is the phase velocity of light in the medium
Answer:
A or/and D
Explanation:
Environmental science is the study of how organisms interact with their environment so it can be either a or d. I would say a combination of both.
When something happened like Exxon Valdez disaster this is important because it is disaster
There are several different kinds of seismic waves, and they all move in ... Body waves can travel through the earth's inner layers, but surface waves can only ... the earth, body waves arrive before the surface waves emitted by an earthquake.
For an offspring to dominate a recessive trait, both parents must have at least one dominant allele in their genotype.
