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When the subsystem changes due to the human activities, how does the change affect humans in return? *​

Sagot :

louisa7

Answer:

Events can occur naturally, such as an earthquake or a hurricane, or they can be caused by humans, such as an oil spill or air pollution. An event can cause changes to occur in one or more of the spheres, and/or an event can be the effect of changes in one or more of Earth's four spheres. This two-way cause and effect relationship between an event and a sphere is called an interaction. Interactions also occur among the spheres; for example, a change in the atmosphere can cause a change in the hydrosphere, and vice versa.

Interactions that occur as the result of events such as floods and forest fires impact only a local region, meaning the flood waters can only travel so many miles from the original stream, and only the trees that lie within the area on fire will be burned. On the other hand, the effects of events such as El Nino or ozone depletion may cause interactions that can be observed worldwide. For example, the El Nino event--a change in the ocean currents off the coast of Peru-- can cause changes in weather patterns all the way across North America, while ozone depletion above Antarctica may result in increased levels of ultra-violet B radiation around the world. Understanding the interactions among the earth's spheres and the events that occur within the ecosystem allows people to predict the outcomes of events. Being able to predict outcomes is useful when, for example, developers wish to know the environmental effects of a project such as building an airport before they begin construction.

Explanation:

brainliest is highly appreciated.

pedrazakristinejane

Answer:

Explanation:v Humans impact the environment in several ways. Common effects include decreased water quality, increased pollution and greenhouse gas emissions, depletion of natural resources and contribution to global climate change.

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