Explain how a change in the environment could cause a population crash

How many years is a term in the senate

The process by which liquid water changes into water vapour is called what ?

Which statement about factories in the industrial revolution is not true? a) some of the first advances were in textile mills b) spinning machines used water power c) water power was replaced by steam power d) coal was imported to english factories for power answer d) coal was imported to english factories for power