What strait separates north america from asia?

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?

Agricultural practices in the united states nearly led to the extinction of the peregrine falcon during the 1950s and 60s.

Which city area has the most accessible oil reserves a) caspian sea b) siberia c)arctic coast d)lake baikal