This type of bond occurs when you give and take entire electrons?

An elevation of the sea surface above tide level caused by the intense low pressure of a hurricane or typhoon?

Surface convergence can create streaks of foam and debris called?

This is an abnormally high wave?

This is what we call ice anchored to a landmass or shallow continental shelf?

This is the most common gas in the atmosphere?

This is the distance between two wave crests?

What toy has been used to help understand ocean circulation?

At the friction depth, water will flow in the opposite direction from the surface current?

Please explain El Nino, including the atmospheric and oceanic conditions prior to and during the event. This question is worth up to ten bonus points.