[A]Respiration and cellular growth
[B]Digestion and disease prevention
[C]Reproduction and cellular transport
[D]Waste removal and temperature control
2. Which of the following substances is an element?
3. Stainless is an alloy of ________________________.
[A]Iron, Chromium and Zinc
[B]Iron, Carbon and Nickel
[C]Iron and Manganese
[D]Iron, Chromium and Nickel
4. A deficiency of this mineral can cause stretch marks in our skin; this mineral is
5. After the first photons of light are produced, which process is responsible for amplification of the light?