B, as far as we know humans aren't from space
The action or fact of forming a united state that seems as the best answer
And: Facilitated diffusion is a type of passive transport that allows substances to cross membranes with the assistance of special transport proteins. Some molecules and ions such as glucose, sodium ions, and chloride ions are unable to pass through the phospholipid bilayer of cell membranes.
The answer is urticaria (also known as hives).
