Which of the following will increase the rate of a chemical reaction? OA.
decreasing the experimental temperature
OB.
increasing the surface area of the reactants
OC.
decreasing the concentration of the reactants
D.
all of these

Skills of homo sapiens were found an excavation. the skulls were preserved because the bodies were frozen. so, these fossils are (blank) fossils.the image shows the evolution of skulls beginning 2 to 3 million years ago. based on the image, modern human skulls(blank) ape skulls.

Suppose you wanted to make 100 grams of water. what is the molar mass of water (h2o)?

Find the missing probability in the table below a.0.10 b.40 c.0.80 d. 0.20