the cost of mining is extremely low compared to the money earned from mining, creating income to improve the environment.
Answer from: Quest
The open ocean begins at the low-tide mark and extends to the end of the continental shelf
above statement is not a true statement about the open ocean because the open ocean has low levels of nutrients. most of the photosynthetic activity on earth occurs in the open ocean within the photic zone. organisms in the deep ocean are exposed to frigid temperatures and total darkness but it does not begin at the low-tide mark.