Why is cow manure used as a potential source of starch degrading bacteria

How do you date a sample of rock that you suspect as being one of the earliest on earth

The hematodinium parasite becomes less of a problem for the blue crab when the crab is very young. fishing is thriving in the region. the crab moves to less salty water. a significant percentage of the population is impacted.

Suppose you were the commissioner of corrections for your state. which correctional activities might come within your domain? which mostly would not