Which of the following is not likely to be a prime consideration when performing a comparative risk assessment? a How many people could be exposed? b Is the level of the threat increasing or decreasing? c Will there be sufficient funds available for clean-up? d How long will it take for exposed organisms to recover?
Which of the following is not likely to be a prime consideration when performing a comparative risk assessment?
a How many people could be exposed?
b Is the level of the threat increasing or decreasing?
c Will there be sufficient funds available for clean-up?
d How long will it take for exposed organisms to recover?
The Earth is made up of four spheres known as lithosphere, atmosphere, hydrosphere, and biosphere. All these spheres are interdependent and affect each other.
The atmosphere acts as a protective shield against the harmful ultraviolet rays of the Sun and also obstructs any incoming celestial body such as an asteroid or meteoroid. Ever since the formation of the atmosphere, it has been evolving by changing its chemical composition. The biosphere includes the living entities of the Earth. The various elements of the biosphere are plants, animals, human beings, and micro-organisms.
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