D) the Tigris, Euphrates, and Nile
Those are the only rivers listen that are in the middle east
Biochemical limestone is when the calcium carbonate is locked into the fossil shells and skeletons of marine organisms.
But chemical limestone is when the calcium carbonate is in the form of calcite mineral crystals.
Hope it helps!
Acid precipitation is caused by a mix of B. Sulfur Dioxide, Carbon Dioxide, Nitrogen Oxides.<span>
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The correct answer should be C. bio-luminescence
They have this ability because the parts that are shiny are meant to be like bait for other animals and when they come near to eat it or check it out they get eaten by the entire fish which is much larger than its bioluminescent part.
It is a rational statement
