Which of the following theories explains why the universe is expanding at a great speed?
a.
geocentric theory
b.
big bang theory
c.
theory of evolution
d.
heliocentric theory

Aguiding principle of the national response framework is that: a. response partners use nonstandard structures to allow for flexible and scalable responses. b. unity of effort results when responding agencies are willing to relinquish their authorities. c. effective partnership relies on engaging all elements of the whole community. d. readiness to act encourages response partners to self-dispatch to an incident scene.