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pizzalover6994
21.07.2019 •
Biology
Select the word from the list that best fits the definition the energy from the sun that warms your face is transferred by a process called convection convection radiation
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Ответ:
The right answer is Radiation.
Radiation, refers to the process of emission or propagation of energy and momentum involving a wave, a particle.
Solar radiation is the set of electromagnetic waves emitted by the Sun.
It is made up of the full range of radiation, from far ultraviolet like gamma rays to radio waves and visible light. Solar radiation also contains cosmic rays of moving particles of extremely high speed and energy.
Sunlight is necessary for human health:
* the day-night cycle holds most human biological cycles;
* Solar UV is necessary for the synthesis of vitamin D;
* Solar UV also contributes to the destruction of some living or surviving microbes or those that have contaminated bathing waters or waters that can be used as drinking water or irrigation, with less efficiency in turbid waters, or made turbid by human activities.
Ответ:
The correct answer is option C,
it has a negative impact on the environment by allowing toxic chemicals to harm wildlife
Reason -
Mining adds to the problem of pollution as it involves the extraction of chemical elements either in solid, liquid or gaseous form. The extraction impacts land, air and water as mining processes may release unrefined mineral extract into the air. These extracts also get deposited in the soil and mixed with the nearby water body or released into the air or consumed by humans or living organism which adversely affect the health of living beings and causes environmental degradation thereby leading to problems such as
a) illnesses related to the respiratory systems,
b) sullifaction of water bodies
c) disturbance in the ecosystem.