Answer:
Placer mining can be less damaging to the environment than surface mines, as the sediment is returned to the water after the minerals have been extracted.
Explanation:
What role do its contents play in the cell<span>? The </span>Nucleus contains<span> DNA, which is structured in the form of genes on chromosomes. Genes provide the information for the </span>cell<span> to carry out </span>its<span> functions.</span>
Depending and what kind of whale, yes
In this question in which is the major source then of free oxygen in the earth's Proterozoic atmosphere is being produce by the evaporation of the ocean water. Hope this answer would be of big help to this assignment then.
Answer:
black carbon which is "B"
