Sea level pressure: select one: a. is used to correct for elevation differences at different locations. b. is used in the unites states, but not in canada. c. is usually less than surface pressure. d. usually disregards the effect of temperature on air pressure.

Which two factors contributed to creating a global culture? the creation of the united nations improvement in telecommunications health issues such as the ebola virus increased opportunities for global travel

Several bird species feed in a certain species of tree. each bird species feeds in a different part of the tree. which statement is true of these bird species? a. they have adapted to different niches due to competition b. they have a carnivorous relationship with the tree species. c. they have adapted to different niches due to predation d. they have a symbiotic relationship with the tree species.

Where can a dna be found in a prokaryotic cell