Characteristic of enzymes allows it to be highly specific in the reactions they catalyze?

Long term exposure to waves can cause sunburns and skin cancer. a) visible b) infrared c) gamma rays d) ultraviole

Why does a plastic bottle that is sealed at a high altitude change it’s shape when taken to lower altitude

Upon decomposition, one sample of magnesium fluoride produced 1.65 kg of magnesium and 2.56 kg of fluorine. a second sample produced 1.32 kg of magnesium. part a how much fluorine (in grams) did the second sample produce?