Help plz The outer core is and the inner core is .

Solid; liquid

Liquid; solid

Hot; cold

Cold; hot

Explain: plate tectonics and people.

Is a state government creates a new tax to fund schools a example of checks and balances

Renaldo and nasreen build an electromagnet by wrapping a wire around a nail and connecting the wire to both terminals of a battery. when they test the electromagnet, it can pick up 6 paper clips. their teacher wants all groups to pick up at least 10 paper clips. what could renaldo and nasreen do to increase the number of paper clips their electromagnet picks up?