Choose the correct response for the region of the skin that is avascular. O endodermis
O dermis
O hypodermis
O epidermis

Connect the whole numbers on the periodic table to indicate what they represent?

How many atoms are in 2 moles of phosphorus

Which change will decrease the number of effective collisions during a chemical reaction? a. adding a catalyst b. increasing the surface area c. decreasing the temperature d. increasing the reactant concentrations e. increasing the volume of the reactants