Tornadoes will cause many trees to be uprooted and killed. How does this negatively affect an ecosystem?
F. The tornadoes will serve as a means for pollen distribution so more plants will
grow in other areas.
G. The removal of trees will decrease the amount of CO2 taken up by plants.
H. The removal of trees will allow more space for grasses and animals.
J. The ecosystem will become more balanced because there are more producers
in ecosystems.

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.