Carbon dioxide and phosphorus pentachloride are examples of bonds.

In which situations is the principle of cross-cutting relationship useful in determining relative age?

How will you manage your time to accomplish the necessary tasks both on the job and at home?

Which of the following is true about the introduction of a non-native species to an environment? (a) they usually adapt quickly so they can have a positive affect on the environment. (b) they can disrupt the environment and cause much damage and devastation to native species. (c) they usually become predators in a food chain and to keep prey populations under control. (d) because the native species are better-adapted to the environment, the non-native species always end up dying out.