Not all cells are alike. Which of the following is NOT a true statement about differences between cells? a. Cells come in many different shapes.
b. Different kinds of cells are different sizes.
c. Some cells have a nucleus, but others do not.
d. Most cells have a membrane, but some do not.

D

Explanation:

without cell membrane there would be no cells. It's basically an organelle that makes a cell have it' name

answer; /// i believe that the correct answer is (50%);

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.