What minerals are used to make appliances?

What change in matter can be reversed? Why the Benedict's solution turn brick red colour when testing glucose content in urine? What is the process by which scientists grade other scientist before its published? Can you electropolish aluminum wheels? Is tide laundry detergent safe for plants? Did sugar granules have a measurable mass prove your answer? What might support the idea that Pluto is a planet? What do antibiotics target? What plant does penicillin come from? Beef is the 1 source of what nutrients? Where are the nerves and ganglia structures found? What is the study and treatment of cancer called? Where could you find copper in our home? How was the breathing rate of the goldfish changed when the water was warmed? How do you get ambient temp? What is the primary nervous system stimulus that informs the biological clock? What are the disadvantages of global village? What hurricane had high winds and heavy rainfall in new Orleans in 2010? If an atom gains or loses a valence electron the atom becomes a charged partial called? Why does The muscle cells responsible for bumblebee flight have a large amount of mitochondria. Explain why.?