Hourly Wage and Salary. According to the U.S. Department of Labor, the average hourly wage for heavy and tractor-trailer truck drivers was $18.16 per hour in 2010 with an average annual salary of more than $37,700.Indeed.com reported that the annual salary for dump truck drivers specifically was around $34,000 in May 2013.ccording to the U.S. Department of Labor, heavy and tractor-trailer truck driver jobs are expected to grow at a rate of 21 percent through 2020, which is faster than the national average. With many jobs being related to new construction projects, the field will grow and decline along with the U.S. economy.
Tropical Savanna. The white lion's biome is a Tropical Savanna, during wet season this biome usually gets 38-64 cm (15-25 in) of rain, and during dry season gets 10.1 cm (4 in) of rain. The biome is a grassland biome located in semi-arid and semi-humid places, though it has scattered tree unlike a grassland which doesn't have trees.
Where do lions live? Today their range is limited almost entirely to sub-Saharan Africa. Lions occur throughout that region, except in the equatorial rain forest and in the heavily populated regions along the southern coast of the western portion of the continent (see map above). But these large predators do not easily coexist with humans, and as human populations increase, lion populations decline.