Because air pressure decreases at the rate of 0.91 inches per 1,000 feet of ascent, rising air expands and cools. The flat bottom of cumulus clouds defines the exact height at which a critical combination of temperature and air pressure causes water vapor within the rising current to condense into a visible cloud
Several things; don't use multiple patches, never take an ED medication (Erectile Dysfunction), if sign and symptoms including those of hypotensive reading, go to the emergency room.
