Logan knows that Earth's lithosphere is divided into pieces known as tectonic plates, but he wonders what portion of Earth is considered the lithosphere. Which of the following is true regarding the composition of the lithosphere? A. The lithosphere is mostly liquid, with some medium density materials, such as silicone.
B. The lithosphere is more plastic and close slowly compared to the solid cost of Earth.
C. The lithosphere includes the core and the lower portion of the mantle.
D. The lithosphere includes the crust and the upper most portion of the mantle which is solid and rigid.

Examine the two squirrel populations in the accompanying figure. the populations are separated by a geographic barrier. if after a long period of time the two species are no longer separated, what evidence is needed to determine if speciation has occurred? the figure shows two populations of squirrels separated by a geographic barrier. examine the two squirrel populations in the accompanying figure. the populations are separated by a geographic barrier. if after a long period of time the two species are no longer separated, what evidence is needed to determine if speciation has occurred? the figure shows two populations of squirrels separated by a geographic barrier. polyploidy is creating new species. the two populations are not interbreeding freely. hybrid offspring of the two populations begin to appear. one species will increase into a population size twice as large as the other species.

Vessels draining the myocardium of the heart, open primarily ,into which chamber?

Match the correct terms to their descriptions a system in which only energy but not matter is exchanged frozen water in snow part of geosphere that includes only soil a thin layer between the troposphere and the stratosphere cryosphere tropopause closed system pedosphere