Factor this trinomial. x2 - 9x+ 20
O A. (x-2)(x - 10)
OB. (x-2)(x + 10)
O C. (x – 4)(x + 5)
O D. (x-4)(x-5)

where in your body is there an enzyme that does function at a high or low ph? what is the name of that enzyme and its function?

in a chemical reaction, the atoms and molecules produced by the reaction are called products. no new atoms are created, and no atoms are destroyed. in a chemical reaction, reactants contact each other, bonds between atoms in the reactants are broken, and atoms rearrange and form new bonds to make the products.