Which is evidence that supports the dynamo theory?
a. the mantle is a solid.
b. earth's outer core is a liquid.
c. iron does not conduct magnetism.
d. convection only occurs in the mantle.

What are the answers for the following questions?

Compare the quantity in column a with the quantity in column b. pa p a is tangent to the circle at a. column a column b ap a p ax a x question 4 options: the two quantities are equal. the quantity in column a is greater. the relationship cannot be determined from the information given. the quantity in column b is greater.

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