Major human processes affecting the water cycle on land. storage of water in reservoirs; groundwater mining; irrigation; urbanization; combustion; deforestation; wetlands
D) <span>an increase in tree cover in the tundra</span>
Answer:
because it never runs out so it always can be used
I'm pretty sure the answer is atmosphere, hope this helps!
The correct answer is endoplasmic reticulum.
<span>
Any nucleated cell contains MHC class I proteins which present cytosolic peptides. For example, during the intracellular microorganism infection such proteins are degraded in the proteasome, then degraded peptides are internalized in the endoplasmic reticulum and there associated with MHC-I molecules which are freshly synthesized. MHC-I/peptide complex is displayed on the cell surface and ready to interact with T lymphocytes.</span>
