They are used to define periods Geological time.
A. A steep slope has a higher rate of soil erosion than a rate of soil formation.
Memory B cells are produced
Answer:
The major function of the immune system is to protect the host from environmental agents such as microbes or chemicals, thereby preserving the integrity of the body.
Explanation:
Germ theory states that certain diseases are caused by the invasion of the body by microorganisms, organisms to small to be seen except through a microscope. The cell theory states that living things are composed of one or more cells, that the cell is the basic unit o life, and that cells arise from preexisting cells. The theories are similar because germ theory states that disease is caused by living organisms.
Hope this helps :)
