What are countries? I have heard of them lots of times before. They say it after important areas like the U. S. I'm still confused and when I used online stuff, I never understood. Please help I've been trying to understand it for years.

How did geography influence the settlement of early africa.

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?

Study the image of this rock. which characteristic best supports its formation from sedimentary processes?