What is a warm ocean current that keep weather along nc's coast mild during the cooler mouths?

Which of the following is an oxidation-reduction reaction? (pictured below)

Apopulation of black bears depends on salmon from a stream for food. if a drought causes the stream to run dry one year, how will this likely impact the black bear population?

The green colored pigment in chloroplasts is? a. nitrogen b. chlorophyll c. chlorophorm d. chlorofloromethane