elephants have no pleural cavity
elephant lungs attach directly to the walls of the chest cavity and to the diaphragm
respiratory movements are dependent on chest musculature (not on inflating lungs by negative pressure in the pleural cavity, as is usual in mammals)
1 because there are important to study to by any thing.
2 am so wave not to study because veryboring.
in marxist theory and socialist literature, the term working class is often used interchangeably with the term proletariat and includes all workers who expend both physical and mental labour (salaried knowledge workers and white-collar workers) to produce economic value for the owners of the means of production (the buorgeoisie in marxist literature).
answer: chemical changes or water vapor
explanation: i'm genius