Susan is having a debate with her brother about wave movement. she believes waves will always travel the same speed if they have the same energy, no matter what the medium it is traveling through. her brother says this is not correct, and different mediums lead to different wave speeds. who is right and why?

How can scientists test their ideas about the origin of the universe if they can't physically interact with or study?

Asap indicate the coat color and the proportion of offspring with that color for each of the following crosses of rabbits. assume all are homozygous. alleles: a=agouti, c=chinchilla, a=albino, a is dominant over c and a, c is dominant over a agouti x chinchilla a) 1/2 chinchilla, 1/2 agouti b) 3/4 chinchilla, 1/4 agouti c) all agouti

All eukaryotic cells contain small bodies called