What are ways that human activity impacts the water supply?
creating sewage
spreading chemicals
increasing radioactivity
all of the above

Abasic premise of the national response framework is that: a. most incidents begin and end locally and are managed at the local or tribal level. b. response partners use nonstandard structures to allow for flexible and scalable responses. c. readiness to act encourages response partners to self-dispatch to an incident scene. d. incidents should be managed at the highest jurisdictional level possible.

Researchers have found that it takes to view a mental image that is larger or covers more distance than a smaller or more compact one.

As of 2013, the world’s total population was about