School buses and trucks are restricted to. 60 mph. On freeways with speed limits less than 70 mph, school buses and trucks are restricted to 55 mph. the rearview mirror; adjust the right outside mirror to barely. show the rear edge of the vehicle. â¢ Turn your head to check the blind spots before every lane. change.
Under favorable conditions, beavers will produce their first litters at two or three years of age. The average lifespan of a beaver in the wild is 10 to 20 years. While its size saves it from most predators, a beaver's lifespan can be cut short by predators, most commonly humans, wolves, and coyotes.Parasites and disease also play a factor in mortality.nder favorable conditions, beavers will produce their first litters at two or three years of age. The average lifespan of a beaver in the wild is 10 to 20 years. While its size saves it from most predators, a beaver's lifespan can be cut short by predators, most commonly humans, wolves, and coyotes.
North American river otters live an average of 21 years of age in captivity, but they can reach 25 years of age. However, they normally live about 8 to 9 years in the wild, but are capable of living up to 13 years of age.ike other otters, the North American river otter lives in a holt, or den, constructed in the burrows of other animals, or in natural hollows, such as under a log or in river banks.