What is anodization 1 laying metal to fortify them
2 separating water to produce hydrogen and oxygen gases
3 a process that makes the surfaces of metals resistant to corrosion
4 reducing a metal from a metallic compound to obtain the pure form of that metal

Stage in which a typical star has completely stopped fusion

What determines the average kinetic energy of the particles in a gas? a. the number of collisions b. the number of particles c. the size of the particles d. the temperature

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