Geographical features of europe. 1  1. Geographic Features of Europe As we watch the slide showâ¦.. and discuss featuresâ¦. you will take notes in your composition books. 2  2.
Half-life durations can run from two to 12 hours depending on the type of amphetamine and route of ingestion used. Half-life cycles are multiples of the standard half-life time window. On average, up to 90 to 95 percent of amphetamines leave your system after four half-life cycles. This means, 90 to 95 percent of amphetamine materials leave your system within eight to 48 hours provided youâre in good health.
Report Abuse. At 60 mph, it would take exactly 4 minutes. (1 mile a minute) So at 30 mph it would take 8 minutes. Then at 45 mph it would take 6 minutes. You can see how so far this is all off the top of one's head. But you can also calculate any speed if you really want it exact.