Weather, Climate and the Ocean
Science

The movement of a chemical through the living and nonliving parts of an ecosystem
Biogeochemical cycle
The movement of a chemical through the living and nonliving parts of an ecosystem. Biogeochemical cycle. It's how natural elements like carbon and nitrogen travel through the earth, water, air, and living things.

A flying technique used to gain energy by crossing the boundary between air masses of different velocity
Dynamic soaring
A flying technique used to gain energy by crossing the boundary between air masses of different velocity. Dynamic soaring. It is a method birds and airplanes use to fly faster and longer without using extra energy by moving between layers of air that have different speeds.