You will find out how to summarize cells that have a same color of the font, the red one in my case. Really useful when working with different types of specific data in Excel.
In the 21st century historians have increasingly portrayed the decade as a "pivot of change" in world history focusing especially on the political and economic upheavals. Check your 70s knowledge.
Some websites overlay their photos and images with another blank image. But there's an easy way to download those pictures if you are using Google Chrome browser.
This guy is a natural talent or the desktop flight simulators really are a great way to learn flying a real plane. He literally has zero hours of flight instructions and he has never been in a private plane.