What makes a rainbow possible after a rainstorm

The inner planets mercury, venus, earth, and mars were formed by

Many somalian refugees sought entrance to the united states in 2006 and 2007. describe factors that encoura somalians to leave their country in the 1990s and 2000s

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?