?Why do coal-burning power plants and oil refineries have tall smokestacks?

1 answer:

4 0

#1) Why do coal-burning power plants and oil refineries have tall smokestacks?
Answer: They are gas combustion devices used in industrial plants such as petroleum refineries, chemical plants, natural gas processing plants as well as at oil or gas production sites having oil wells, gas wells, offshore oil and gas rigs and landfills. In industrial plants, these are primarily used for burning off flammable gas released by pressure relief valves during unplanned over-pressuring of plant equipment.

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Why did Dr luceros team use looters trenches rather than dig new ones

yuradex [85]

Dr luceros team used looters trenches rather than dig new ones because they wanted to protect the site from further damage. This is because to prevent further destructions from their activity.

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3 years ago

What led to the end of trans-saharan trade routes

zysi [14]

<h2>The End of Trans-Saharan Trade Routes:</h2>

Explanation:

The factors that led to the end of trans-Saharan trade routes are:

Civil unrest due to collapse of the Songhay Empire, the Timbuktu, by the Morracans in 1591
The extreme desert conditions like extreme climates, excessive heat, lack of water and food etc made the travel logistics very tough. This made people opt for other transport systems
Huge advancements made in maritime travel
Exploration of West African trade routes
Economic, political and social changes which led to the end of trans-Saharan trade routes

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3 years ago

Which is not an issue facing Central Africa?

KATRIN_1 [288]

Economic growth and development

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3 years ago

What determines how fast sea cliffs form? Select all that apply.

mario62 [17]

The frequency and speed of the wind

The energy of the waves hitting the shore

The hardness of the rock that makes up the shoreline

All of these will determine the shape and how fast a cliff is formed, such as the speed of the wind and water, as well as how hard a rock is, will shape how the rock looks like.

For example, if the wind and waves are traveling extremely quickly, and the rock is made of sand, the rock will break much quickly.

Hope this helps

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3 years ago

be over a hot spot, which is why it is the only one of the seven large islands that has active volcanoes. What should be TRUE of

laiz [17]

Answer:

What should be TRUE of the island of Hawaii :

Scientists in search of ongoing speciation events are more likely to find them here than on the other six large islands.

Its species should be more closely related to those of nearer islands than to those of farther islands.

It should have a rich fossil record of terrestrial organisms.

Explanation:

In cases of geographic isolation, and subsequent speciation, produced by dispersal and colonization phenomena we can find the island of Hawaii. Adaptation to these environments can be the trigger for divergence. The large number of species in this archipelago, more than 500, seems to have emerged through migration and diversification. Many of these are endemic to a nearby island, and the subsequent evolutionary divergence.

The volcanic islands, which have never been in contact with the continent, are especially rich in endemic species; the species that inhabit them are descendants of those who arrived in times past and were able to adapt.

Almost ninety years ago, in the south of the island of Hawaii, they revealed some bones that turned out to be the first bird fossils discovered in the archipelago. The bones were under a flow of prehistoric lava and on a bed of volcanic ash.

In short, the Island of Hawaii is of great interest to scientists and there are always new developments buried years ago by volcanic activity.

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3 years ago