The current in a wire is alternated once each second. What happens to the magnetic field around the wire? A.
It remains constant.
B.
It alternates in direction each second.
C.
There is no magnetic field. The alternating directions cancel out.
D.
The magnetic field rotates at a constant angular velocity.

Which of the following matches the organisms described with the correct domain? a. archaea--multicellular, eukaryotic organisms that do not have cell walls b. eukarya--single-celled and multicellular organisms, with a defined nucleus and a variety of nutritional sources c. bacteria--unicellular, eukaryotic organisms with cell walls that do not contain peptidoglycan d. bacteria--unicellular, eukaryotic organisms that always lack cell walls

Land conservation is a worldwide priority. there are several methods to prevent the loss of land due to a variety of reasons. which method is not a way to conserve land? a) sea walls b) rainwater harvesting c) limits on clear cuts of forests d) cut and burn methods of clearing land

How would you expect the mrna codons that code for the amino acids that make up hemoglobin to compare between humans