It would be Kinetic and potential energy.
Deltas
erosion
sand dunes
(not sure about this one) key currents
Answer:
Nutrition
Explanation:
<em>Nutrition generally described as the study and analysis of the components that make up foods and how these components relate to growth, reproduction, healing and overall well-being of organisms that consume such foods.</em>
<em>It studies how the various components of foods interact and combine to produce certain effects on organisms.</em>
The boundary separates them<span />