Oxygen and silicon make up most of earths crust
The word isotonic is used to refer to the solutions (two solutions) which have the same osmotic pressure in both sides of the semipermiable membrane. The condition allows the free movement of water across the membrane. However, this does not change the concentration of the solution across the membrane.
Hence, osmosis may not occur in this condition.
Well Rocks at high elevation are exposed to low temperature and high winds they weather quickly and rock at sea level can be weathered by the ocean waves.
Epithelial tissue covers the body, lins internal surfaces, and forms glands.