Average time on market: 41 days Certified Pre-Owned: No Transmission: Automatic Color: Onyx Black Description: Used 2012 GMC Yukon XL 1500 SLT 4WD for sale - $16,900, 118,236 miles with Bluetooth, Leather Seats, Backup Camera, Aluminum Wheels, Navigation System.
How long ago did the first living forms appear on earth? the earliest known life form were single celled organisms which roamed the earth they appeared around two billion years ago Answer: The Earth formed about 4.5 billion years â¦ ago. 700 million years later (3.8 to 3.5 billion years age) life started.5 people found this useful.he earliest known life form were single celled organisms which roamed the earth they appeared around two billion years ago Answer: The Earth formed about 4.5 billion years â¦ ago. 700 million years later (3.8 to 3.5 billion years age) life started. 5 people found this useful.
April 22, 1970. We only have one earth, so we need to take care of her. That's what Senator Gaylord Nelson of Wisconsin believed. He was disturbed that an issue as important as our environment was not addressed in politics or by the media, so he created the first Earth Day, on April 22, 1970. An estimated 20 million people nationwide attended festivities that day.