Examlex
Explain how the earth's rock strata record the irreversible changes we call organic evolution (discuss the processes of fossilization).
Partial Pressures
The pressure that a single gas in a mixture of gases would exert if it alone occupied the entire volume of the mixture.
Total Pressure
The combined pressure exerted by a mixture of gases in a container, equal to the sum of the pressures that each gas would exert if it were alone.
Gases
States of matter consisting of particles that have neither a defined volume nor shape, able to expand freely to fill any space available, such as oxygen and nitrogen.
Pulmonary Emphysema
A chronic respiratory disease where the air sacs (alveoli) in the lungs are damaged, leading to breathlessness.
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