A deuterium nucleus contains which of the following? O One proton
O One electron and one neutron
One proton and one electron
O One proton and one neutron

Nuclear experimentation is a major global issue that affects relationships between countries. describe why countries try to limit the testing of nuclear weapons.

Which of the timelines above accurately represents the order of historical events in canadian history? a. one (1) b. two (2) c. three (3) d. four (4)

What is the best evidence for the plate tectonics?