If youâve been around the fat loss game for long, you know about the ECA stack. Itâs an undeniably effective combination of fat busting ingredients that were banned from use in Canada. Now itâs officially back and approved by Health Canada in a highly effective potency.
The Karman line, at 100 km (62 miles), is also frequently used as the boundary between atmosphere and outer space. For all intents and purposes, space starts at about 62 miles. And no, it has absolutely zero to due with the Earth's gravity.
The stratosphere is the second layer.It starts above the troposphere and ends about 31 miles (50 km) above ground. 1  This stratosphere contains about 19.9 % of the total mass found in the atmosphere. 2  Very little weather occurs in the stratosphere. 3  Occasionally, the top portions of thunderstorms breach this layer.