The diagram represents four trophic levels in an ecosystem. Pyramid with four layers. The bottom layer shows grass with seed heads. The next layer up shows a hare, mouse, rat, grasshopper, and rabbit. The layer above that shows snakes. The top layer shows a hawk.

Which of the following BEST describes how energy flows in this ecosystem?

A. Energy flows through all the trophic levels and then back to the producers.
B. Most of the energy from the plants is transferred to the mice, grasshoppers, and rabbits because plants don't have to search for their food.
C. Birds have the most energy because energy from all the other trophic levels flows to the birds.
D. About ten percent of the energy at one trophic level is passed to the next trophic level.

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Explanation:

c. earths continental crust is thicker than its lithosphere.

because, the lithosphere is the outermost layer of the earth/ 100 km thick and is defined by its machanical properties.the lithosphere contains oceanic and continental crust that varies in age and thickness across locations and geologic time. the lithosphere is the coolest layer of the earth in terms of temperature. the term lithosphere should not be confused with the use of "geosphere" which is used to indicate all of earth systems, including the atmosphere, hydrosphere   and biosphere. the surface of the earth can be divided into the continental crust and the oceanic crust.   the continental crust is made mostly of granite while the oceanic crust is made of basalt. the average thickness of the continental crust is 25 miles and the average thickness of the oceanic crust is 5 miles.   three types of rock, igneous, sedimentary, and metamorphic, make up the surface of the earth. that's why 3 option is preferable.