Answer:
a.
they did not co-evolve with the natural species and lack natural controls, like predators
Explanation:
Answer: la lengua
Explanation: in spanish lengua means tongue while the others cuello means neck, hombro means shoulder, and pierna means leg.
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Answer:
The solution is more acidic and is closer to become neutral.
Explanation:
Acidic level: 0 - 6
Neutral: 7
Alkaline level: 8 - 14
From this, we can see that the given solution went from a higher alkaline concentration level to a lower one.
