The Level of Nitrogen Dioxide Present on a Certain June

question 148

Essay

The level of nitrogen dioxide present on a certain June day in downtown Megapolis is approximated by where A(t) is measured in pollutant standard index and t is measured in hours with
corresponding to 7 a.m.What is the average level of nitrogen dioxide in the atmosphere from 1 a.m. to 2 p.m.on that day? Round to three decimal places.

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Definitions:

Axial Skeleton

Part of the skeleton that includes the bones of the head and trunk of a vertebrate, such as the skull, vertebral column, ribs, and sternum.

Appendicular Skeleton

The portion of the skeleton that includes the bones of the limbs and girdles, facilitating movement.

Pelvic Girdles

The ring-like bony structure, located in the lower part of the trunk, that supports the lower limbs and attaches them to the spine.

Pectoral Girdles

The skeletal framework in the shoulders region that supports the arms, consisting of the clavicles and scapulae.