STANDARD DERIVATIVES IN SOCIAL SCIENCE WHEN WHERE HOW WHAT WHY THEN WHAY WHAT TIME IS

next Friday kind of comment teacher told me no more commercial breaks in your essay keep it to terms

https://www.youtube.com/watch?v=M8NV27gPI3g&list=RDGMEMQ1dJ7wXfLlqCjwV0xfSNbAVMwQhOlOWFLuQ&index=2

https://youtu.be/wQhOlOWFLuQ?list=RDGMEMQ1dJ7wXfLlqCjwV0xfSNbAVMwQhOlOWFLuQ