At what blood-alcohol level is a typical driver in the United States considered legally intoxicated? At what blood alcohol level is a commercial truck or bus driver in the United States considered legally intoxicated?

For typical driver it is .08.

For truck driver it is .04.

Explanation:

If blood alcohol content (BAC) of a typical driver is .08 or higher, then it will be considered legally intoxicated,

if BAC of a truck driver is .04 or higer then driver will be arrested for suspicion of driving under the influence.(DUI).

step 1: nitrogen fixation- conversion of atmospheric no₂ into forms useful to plants by lightning, bacteria, and cyanobacteria.

step 2: nitrification-process of converting ammonia to nitrite or nitrate.

step 3: assimilation-plant roots absorb new form of nitrogen.

step 4: ammonification-conversion of organic nitrogen to ammonia by bacteria involved in decomposition.

step 5: denitrification-bacteria turns the decomposed matter back into n₂o, which is released into atmosphere; repeat cycle.

weathering - colorado river carves land in arizona to form the grand canyon. cracks form in a sandstone wall surrounding a house. a marble statue near the science museum is changing color due to rainfall

erosion - after a rainstorm, soil and rock piees litter the roadways. the sand dunes in the sahara desert are changing shape.

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