Set up the simulator for Champaign, IL which has a latitude of 40° N. Complete the chart for the the rising and setting azimuths and cardinal directions for the Sun's daily path on the summer solstice (June 21), winter solstice (Dec 21), and the equinoxes

I'm thinking it's 2 you are asked to explain the earth's magnetic field. which is the best reply? 1. the earth's magnetic south is similar to the north pole of a magnet. 2. the earth's core has a strong magnetic charge similar to the south pole of a magnet. 3. the earth's geomagnetic south is similar to the south pole of a magnet. 4. the earth's magnetic charge is not centered at either pole; it varies based on location.

Which form of cell division creates the sperm and egg, resulting in half of the chromosomes as the other cells?

Farmer a has a deep well and needs a lot of water for her animals and crops. her neighbor, farmer b, has a shallower well. he needs less water than farmer a because his farm is smaller. in years of drought, sometimes farmer b can't get any water from his wells. what can farmer b do to decrease the likelihood of his well running dry?