What determines whether water on earth's surface will seep into the ground or become runoff?

Which of the following best describes the purpose of a nation’s boundaries? a. to limit the movement of goods and people b. to make it easier for cartographers to create maps c. to make the movement of goods and people easier d. to prevent other countries from invading territory

__ has (or have) been one of the most common pull factors of migration within the united statesa. lack of humanityb. gamblingc. seafoodd. well paying jobs

Horizon a is also sometimes called a. topsoil b. subsoil c. bedrock d. weathered bedrock