<span>They create energy for the cell.</span>
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.
The answer to this would be d. :)
The answer is B since the energy that the body uses or the energy we have is measured in calories.
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The difference in height between successive high and low tides is called the tidal range.
