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.
Tell the students that scientists have found that over 90% of the earth's atmosphere is within about seven miles (12 km) of the earth's surface. The distance from the center of the earth to its surface equals about 4,000 miles.