Answer)
Of diffusion
Explanation)
Molecules move down a concentration gradient without the need to use energy. This means they move from a high concentration to a low concentration. This occurs across a semi- permeable membrane, like a cell membrane, by simple diffusion.
Immunity is our bodies natural response to resisting disease. Immunglobulins work by detecting pathogens and destroying them before they cause disease.
Answer:
True
Explanation:
A group of organisms of the same species, living in the same area at the same time.
The base level of a tributary would become HIGHER if a dam and a reservoir were constructed where it flowed into a trunk stream.
