B. Soil Contamination
All the other answers are talking about clean and pure things while this answer is the only negative one. So B is your answer.
Answer:
Valley lizard = Oviparous
Mountain lizard = Viviparous
Explanation:
In Darwin's theory survival of the fittest, he believed species adapt or change within their environment. So I believe lizards living in a valley would be more safe to lay their eggs but lizards living in the mountains would be viviparous because of the non-predicted and unsafe environment which could harm the better chances of development of the offspring.
Answer:
Humans burn fossil fuels, clear trees, change land use, creating smog that traps the carbon in the Earth's atmosphere, leading the oceans to absorb the heat and eventually end up with global warming and ocean acidification.
Explanation:
Good luck <3
I think its rest because it tarnishes so witch means dullness of color; loss of brightness according to the dictionary and when something rest it loses color and becomes a copper brown color
