Answer:
The correct answer is - warning system.
Explanation:
Warning systems are a type of system that could be technical or biological in nature that can help in assessing or inform about the possible danger or change in a particular setting such as ecosystem, weather, water quality, and many others. It helps in avoiding such threats before occurring or become serious threats.
Certain biological species that live or require a particular set of conditions for their survival and reproduction can act as a biological warning system for water pollution, air pollution.
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Fossil: is preserved pre historic life form present under ground at high pressure for a long time.Animal die and burried under layers of sediments.
It provides evidence about the history of life on earth. It also shows different groups of organisms, including species,that have changed over time. Because the formation of any fossil depends upon the precise combination of conditions.
As the world changes, plants and animals change with time . From fossils we compare organisms of modern time with ancient , the species we see today are very different from species that lived in the past. Thus, the fossil record can be used to show that organisms changed to meet new condition.
The position for a victim with an abdominal injury would be, flat on their back, place a pillow/rolled blanket under the knees to be slightly , elevate head and shoulders. Additionally to care for abdominal organs protruding from a wound should be by removing clothing, then sue a large sterile dressings moistened with sterile water or normal saline or warm water, then cover dressings with a plastic wrap that is moist, then with folded towel/aluminium foil for warmth.
Answer:
Your good health is your greatest wealth.
