Select the correct answer. How does upwelling affect ocean ecosystems?
O A. Upwelling increases the amount of water in the ocean.
OB. Upwelling brings nutrients from the bottom of the ocean up to the surface.
OC. Upwelling increases the ability of sunlight to penetrate water near the ocean's surface.
OD. Upwelling permanently removes salt and other minerals from water in the ocean.

Sandstones that form in aeolian (wind/desert) environments appear very different from other sandstones, such as those formed in a beach/ shoreline environment and in rivers on land. give three identifying properties for each of the three sandstones that would tell a geologist which depositional environment they formed in. consider things such as the relationship between transportation and grain size, shape, roundness, sorting, fossils and composition.

Name the river that forms a natural border between new york and new jersey and is the site where a passenger jet made a miraculous landing on january 15

In a command economy, the majority of goods and services are provided by the