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Vinvika [58]
3 years ago
7

Which factor contributed least to the extinction of the passenger pigeon species?

Biology
1 answer:
katovenus [111]3 years ago
4 0

Answer:

The correct option is A) laws that banned the hunting of passenger pigeons to sell in new markets

Explanation:

All other options describe ways that enabled passenger pigeons' extinction. Laws to ban hunting these pigeons had the opposite effect, that is saving the species from extinction.

Hope that answers the question, have a great day!

Please remember to give Brainliest if you found this helpful :)

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ENSO phenomenon causes significan climate global changes, affecting especially the Southern Hemisphere. In south Asia regions, such as Philippines, the weather becomes cooler, drier than normal.

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The El Nino Southern Oscillation -<em>ENSO</em>- phenomenon produces due to a complex system of climatic oscillations between the ocean and the atmosphere.

This phenomenon causes significant perturbations in the usual pluvial regimens in the tropics. It provokes

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  • rainy seasons in desertic regions.

ENSO phenomenon is dominant in the global climate system.

SOUTHERN HEMISPHERE

⇒ <u><em>Under normal conditions</em></u>

  • Pacific warm water and air masses move westward, making it possible for cold water to ascend in South America´s coasts, in a process known as upwelling.
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  • Humidity goes straight to the west precipitating in Eastsouth Asia, Australia, and New Zealand, among other places.

⇒ <u><em>Under El Niño conditions</em></u>

  • A tropical and weak stream in the Pacific acquires strength while the opposite streams debilitate.
  • This change impedes warm water go eastward, remaining on South America´s coasts.
  • <em>Upwelling does not occur on the South America coasts</em>. In some regions, temperatures rise, and unusual precipitations occur in desertic or dry areas -<em>Atacama desert</em>-.
  • Other affected areas are <em>Eastsouth Asia, Australia, and New Zealand</em>, where there are fewer precipitations and cooler temperatures. <em>Rainfall drops below the average</em>, affecting crops and livestock.

Among the affected areas in the Eastsouth Asia, we can mension the Philippines. Their economic activities are particularly affected during ENSO events.

NOTHERN HEMISPHERE

ENSO also provokes changes in general extratropical circulation, contributing to some abnormal situations in the northern hemisphere weather during winter, including severe precipitations and cooler temperatures in the southeast USA, north of Mexico, Gulf of Mexico, Strait of Florida, and western Cuba.  

-----------------------------

Related link: brainly.com/question/14705558?referrer=searchResults

                      brainly.com/question/8411831?referrer=searchResults

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Nutrients and sunlight affect a region's photosynthetic productivity.

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