The difference is the source of the material. Spoils come from overburden and is discarded as waste. Tailings come from left over dredging of stream beds that are discarded as as waste as well.
Answer:
The edge effect is an ecological concept that describes how there is a greater diversity of life in the region where the edges two adjacent ecosystems overlap, such as land/water, or forest/grassland.
Explanation:
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<span>Every living organism begins life as a single cell. Unicellular organisms may stay as one cell but they grow too. Multicellular organisms add more and more cells to form more tissues and organs as they grow. </span>
Cardiac muscle fibers function is to contract the heart.
Answer: A) The 'lub' sound is caused as the atrioventricular valves close.
Explanation:
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