The best answer is C. Tailings are dangerous because they can release toxic elements into the groundwater or surface water. Tailings are the waste materials after the process of extracting the valuable part in a mine. These waste materials have a big potential to destroy the environment because they can release toxic substances which include arsenic and mercury. These tailings can contaminate water bodies.
Answer:
Mexico has a territory of 198 million hectares of which fifteen percent is dedicated to agricultural crops and fifty eight percent which is used for livestock production. Much of the country is too arid and/or too mountainous for crops or grazing.
Explanation:
The answer is B. Phonemes