What is the age of an intrusion of igneous rock in relation to the sedimentary rock layers through which it passes?

always older
always younger
sometimes younger, sometimes older
the same age as the other rock layers

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