According to the cell theory, ____. Group of answer choices all living organisms are made up of one or more cells cells grow sol
ely by an increase in volume all cells have a nucleus cells are not alive unless they are part of a multicellular organism cells arise spontaneously from nonliving matter
The tectonic plates<span> are made up of </span>Earth's<span> crust and the upper part of the mantle</span>layer<span> underneath. Together the crust and upper mantle are called the lithosphere and they extend about 80 km deep.</span>
