How does prolonged space travel affect the muscular system?

A) Muscles become larger over time.

B) Muscles must work harder.

C) Muscles retain more minerals.

D) Muscles get weaker over time

What's the weather like where you live?

Plants can have a positive and negative effect on the rate of weathering

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