What is the direction of the magnetic field b⃗ net at point a? recall that the currents in the two wires have equal magnitudes.

What practical value did astronomy offer to ancient civilizations?

Which two body systems, when working together, give your body shape and allows you to move around, like the boy seen here? a) muscular and skeletal b) digestive and skeletal c) skeletal and circulatory d) cardiovascular and skeletal

Fossils have been found on two continents that are split apart, this is evidence that ? a. there was a bridge b. the continents were once joined together c. the life just appeared in two locations independently d. they swam across the ocean