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.
This biome is responsible for the evolution of numerous highly specialized animal species. tropical rain forest: This biome has annual rainfall of less than 25 cm. desert: Biomes that can be found be found up to 30 degrees north or south of the equator often are _____. tropical rain forest: Tropical rain forest is being destroyed primarily for ____. lumber and agriculture: Vegetation is short trees, shrubs, and grasses, in biome that have scarce amounts of ___. water: This biome receive 200-450 cm of rain per year. rain forest: Areas with greatest animal diversity would be located near the ___. equator: A forest that receives relatively little rainfall and has acidic soil would be located near the ___. Arctic Circle: A forest that would have fallen leaves on the forest floor during the fall would be located ____ latitude. 40 degrees North