Which sources do scientists use to study the interior of Earth? Check all that apply. Earth's orbit
core samples
sea level
earthquakes
S waves
rock composition

Which direction does the energy flow in this energy pyramid ?

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.

Look at the photo of the leaf, which term best describes this leaf ? a-simple.b-parallel.c-lobed.d-tooth.