Which explains how wind causes upwelling in the oceans?

a.
wind near the coastline blows cold surface water away from land. deeper, nutrient-rich, warm water flows upward to replace the surface water.

b.
wind near the coastline blows warm surface water toward shore, causing it to spread out. deeper, nutrient-rich, cold water flows upward to replace the surface water blown into shore.

c.
coastal winds blow warm surface water out to sea. deeper, nutrient-rich, cold water flows upward to replace the surface water.

d.
wind near the coastline blows cold surface water toward shore, causing it to spread out. deeper, nutrient-rich, warm water flows upward to replace the surface water blown into shore.

The Correct Answer is B.

Explanation:

answer: decrease

a limiting factor is the one which decrease the abundance, distribution and causes extinction of the population of species in a ecosystem. here, predators including hawks, owls and snakes are the limiting factor for the population of mexican free tailed bat.   although bats are nocturnal animals as they forge for food at night these predators also may remain active during night which can decrease the population of the mexican free-tailed bats. also, these bats eat only one type of insects that are moths. the food can also be a limiting factor as all 400 members are dependent upon same type of food needs that are moths. the decrease in the moth population can cause decrease in population size of the mexican free-tailed bats.

therefore, the scenarios will most likely to decrease the population size of the mexican free-tailed bats.  

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