The Lithosphere is the layer of solid ground that makes up all of Earth’s continents. It is the <span>rigid, outermost shell of Earth.</span>
Nitrogen is released to the abiotic parts of the biosphere from the process death and by bacteria.
The tonsils blind ended structure is called crypts.
An embryonic stem cell is the first cell in the embryo, this is what creates a human and helps more cells to form.
The cell membrane is semi-permeable, kind of like a filter to let some molecules in and keep larger molecules out
