1. The Treaty on the Non-Proliferation of Nuclear Weapons, which has been signed by all but four members of the United Nations, attempts to limit the development of nuclear weapons.

Select one:

True

False

2. The precautionary principle states that:

Select one:

a. An emphasis on the prevention of pollution is much more efficient than control of pollution after it has occurred

b. The standards that may be under consideration must be linked to the health risks posed

c. Even in the absence of full scientific certainty, if there is a threat of serious or irreversible damage to the environment, preventative measures should not be postponed

d. Granting permits requires review of all the environmental exposures from a particular facility