Why do the poles experience about six months day and six months night?

Food can come from sustainable or unsustainable resources. why has the united nations suggested that bugs could be a better source of food than animals like pigs or cattle?

Irelanda. populationb. square mileagec. average population density per square mile

The fact that similar fossils are found on both sides of the ocean is evidence of: a. global positioning. b. magnetic reversal. c. continental drift. d. oceanic drifts. select the best answer from the choices provided a b c d