Shallow and deep reef populations appear disconnected. Mesophotic coral reefs are, in reality, also susceptible to human and natural impacts (like hurricanes and tropical storms).

Object references. To correctly perform a shallow or deep object copy, we must first know what not to do.Understanding object references is essential for using shallow and deep copy techniques.

"Even deep lakes can reach a state of severe eutrophication in their shallow water areas as a result of these processes." Discover the latest in science, tech, and space with over 100,000 ...