Some scientists argue that earth’s hydrosphere, atmosphere, and biosphere could NOT exist with the geosphere. On the other hand, they argue earth geosphere could exist without earth’s hydrosphere, atmosphere and biosphere.

under a microscope, cancer cells may look very different from normal cells. they often have different sizes and some may be larger than normal while others are smaller. cancer cells are often abnormally shaped and the control centre of the cell (the nucleus) may have an abnormal appearance.

i think? ?

може ли да зареждате повече информация, моля