Curated OER
The Carbon Cycle
Hear how carbon functions on our earth and the purpose it serves. The carbon cycle is illustrated with narration for your junior high or high school biologists. Global temperature increase is also included, though the clip cuts off...
Khan Academy
Data on Chinese US Balance of Payments
Sal references the US Bureau of Economic Analysis to demonstrate discrepancies in US imports and exports with actual documentation. A financial account chart documents the inflow and outflow of asset ownership, and Sal observes how few...