Systemic weed-killer, like those made with glyphosate, should be applied directly to the weed you want to get rid of. Do not apply these products to your entire lawn. Glyphosate products kill all vegetation and should only be applied directly to the leaves of the dandelion.
That's one giant leap! Alan Eustace, a senior vice president at Google, set a new world record today by completing the highest-altitude skydive yet--parachuting from 135,908 feet (or 25 miles) above Earth. The record was previously held by daredevil skydiver Felix Baumgartner, who leaped from 24 miles above Earth in October 2012.
10,000 Feet. 10,000 feet is the average altitude for skydiving for most Cessna (aircraft) drop zones. From 10,000 feet, you'll be in freefall for around 40 seconds, followed by 4 to 5 minutes under parachute as you come in to land. 13,000 Feet. 13,000 feet is the most common altitude for skydivers in the US.