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2.raising livestock and burning trash are two examples of human activities that have an impact on water resources. select one and construct an argument about whether
its effect on water resources is positive or negative. support your answer with evidence and reasoning.

Burning trash.

Explanation:

When we burn trash, it creates small particles of ashes. This small particle of ashes become mix up with the air. Air can blow these particles to the river or any other water resources, which contaminate the water and make a negative impact.

Raising livestock also has some negative impact on contaminated water and makes a negative impact, but burning trash makes the more negative effect more.

1. glaciers are melting

2. more water going into ocean (water's such as fresh waters, etc)

if the type of the food available changes, then the frequency of beak types will change, because birds with beaks more suited to the available food will be more successful over time.