which statements are true? select all that apply.
a. an atom is the smallest complete part of an element.
b. an element is a pure substance made of one kind of atom.
c. the nucleus is the tiny center of an atom, and it contains protons and neutrons.
d. isotopes are atoms of the same element that contain the same number of neutrons but different numbers of protons.

Canada plays an important role in the global community in all of the following ways except by a. acting as a superpower with influence over europe and asia. b. promoting arms control and disarmament. c. working with the commonwealth of nations to promote trade. d. promoting trade with japan and other asian countries.

Which of the following is an example of a policy that may be implemented by a business that has trouble with employees using the internet for their own personal needs? a. all employees will have to take a safety training class. b. employees caught using the internet for personal needs will have to take a professional development class. c. personal interviews will be conducted to find out who is using the internet for personal needs. d. employees will be monitored, but nothing will happen if their employer catches them using the internet for personal needs.

The senate rejected the treaty of versailles mainly because it included the united nations the league of nations an agreement with france an agreement with germany