The Internal Revenue Service (IRS) establishes a tax ceiling on reimbursement for business travel by car. The IRS ordinarily updates the mileage rates once in each calendar year; however, on occasion a special adjustment has been made within the year due to changed costs.
Figure 10h-2: Structure of the Earth's crust and top most layer of the upper mantle. The lithosphere consists of the oceanic crust, continental crust, and uppermost mantle. Beneath the lithosphere is the asthenosphere. This layer, which is also part of the upper mantle, extends to a depth of about 200 kilometers.
Oceanic lithosphere contains oceanic crust and the _____. outermost part of the mantle beneath the oceanic crust How is the thickness of the lithosphere going to change as it moves away from a divergent plate boundary?