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It is well-documented that while some synthetc pesticides have caused great harm to living creatures, others have saved lives. Give a brief account of one that has, ironically, saved human lives: DDT.
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.
Alveoli
Tiny air sacs in the lungs where the exchange of oxygen and carbon dioxide takes place, crucial for respiratory function in mammals.
Elasticity
The ability of a material or body to resume its normal shape after being stretched or compressed.
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