How did braitman become interested in mental illness in animals?

2. given that most biochemical (other than coal) rocks react with hydrochloric acid, what does that tell you about organisms?

The starting materials in a nuclear change have a total mass of 2.3465 x 10-27 kg. after the change, the resulting materials have a mass of 2.3148 x 10-27 kg. how much energy was released during the change? 2.85 x 10-12 2.08 * 10-10 j 0 211 * 10-10 j 8.56 * 10-43

How has biodiversity on earth changed over time?