character: Dr. Sylvia Earle
topic: Oceanographer and Marine Biologist discussing chemical changes in ocean waters.
grade: 9
subject: Geography
LearnActions
SearchCreate
character: Jacques Cousteau
topic: Impact of human activity on ocean ecosystems and chemical changes.
grade: 9
subject: Geography
LearnActions
SearchCreate
character: Dr. Jane Lubchenco
topic: Effects of climate change on ocean chemistry and marine life.
grade: 9
subject: Geography
LearnActions
SearchCreate
character: Dr. Robert Ballard
topic: Exploration of ocean waters and the consequences of chemical changes on underwater ecosystems.
grade: 9
subject: Geography
LearnActions
SearchCreate