Ow might the Egyptians have been able to move the heavy stone blocks?

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

Which of the following types of rock would most likely contain a fossil? slate granite lava rock limestone

In order to study genetic mutations, scientists must study genetic material. which statement describes the genetic material scientists are most likely studying? a) they study alleles that contain chromosomes, which are rna.b) they study alleles that contain genes, which are chromosomes.c) they study chromosomes that contain genes, which are dna segments.