When will magnets start moving up or down

What is the earliest point in the universe that we can observe? why can’t we see back further than this?

Which lists the fundamental forces in order, from strongest to weakest? strong nuclear, weak nuclear, electromagnetic, gravitational strong nuclear, electromagnetic, weak nuclear, gravitational gravitational, weak nuclear, electromagnetic, strong nuclear electromagnetic, gravitational, strong nuclear, weak nuclear

Under normal conditions, describe how increasing the temperatures effects the solubility of a typical salt