Answer:
B. local water contamination
D. destruction of ecosystems
Explanation:
The mining, be it a surface one or underground one, has several negative impacts on the surrounding area. Two common negative impacts of both types of mining are contamination of the local waters, as well as the destruction of ecosystems.
The waters get heavily polluted with toxic chemicals pretty much always ad everywhere where there is mining. The main reason for this is that the nus-products from the mining are released into the waters. This causes high level pollution of the waters, thus making it not good for anything, and the aquatic life in the waters dies out rapidly.
The fact that the waters are heavily polluted means that everything that comes in touch with them becomes heavily polluted as well. Also, apart from releasing chemicals in the waters, the mining requires space, so the area is cleared out, and after that lot of toxic material is disposed on it. The majority of the plants can sustain that, so they die out, and since they are the basis of the ecosystems, the animals die out as well.
The answer is the second one
The best option is <em>B,</em> A neighbourhood there had been built over a toxic dump.
<h2>Explanation:</h2>
Due to the heavy rainstorms and seeping of chemical wastes, there was declared an emergency on public health in 1978. The principle purpose behind this worry is on account of there are a considerable measure of dangerous squandered covered underneath the dirt of the Niagara Falls' Love Canal. The compound organization presently known as Occidental Petroleum covered 22,000 tons of dangerous waste nearby had.
