A small city gets his drinking water from the river running through it center of the river is fed by rivers that flow down the mountain nearby how would excessive rain fall in the mountains most likely affect the turbidity of this local water source

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?