Which of the following statements about layers in the atmosphere is true of the troposhere? Select one:
O a. This layer is the least dense layer of the atmosphere.
O b. Most of Earth's weather occurs in this layer.
O c. In this layer, temperature increases as altitude increases.
O d. This layer is the warmest layer of the atmosphere.

Evaporite rocks te more permeable than reef rocks true false

What is the general rule about surface currents? cold water flows along the ocean floor towards the equator. the east coasts of continents have cold surface currents, and the west coasts of continents have warm surface currents. seasonal and constant offshore winds create significant upwelling along the west coasts of south and north america and africa. the west coasts of continents have cold surface currents, and the east coasts of continents have warm surface currents.

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