What do all types of steel have in common a: all alloys are made mostly of iron b: all are ionic compounds made from iron and nonmetals c: all are alloys that contain either iron, aluminum, or copper d: all are alloys made mostly of nonmetals

How many neutrons does a atom of cobalt have?

An object resting on a table weighs 100 n. with what force is the object pushing on the table? with what force is the table pushing on the object? explain how you got your answer.

Choose an equation that represents an enzyme-catalyzed reaction. (a) enzyme + substrate → enzyme-substrate complex (b) enzyme + substrate ←−→ enzyme + products (c) enzyme + substrate ←−→ enzyme-substrate complex → enzyme + products (d) enzyme + substrate ←−→ enzyme-substrate complex → enzyme-substrate complex + products