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!
I think the correct answer from the choices listed above is option C. The average salt content of seawater as measured in parts per thousand (ppt) would be 35 ppt. <span>The salinity of </span>seawater<span> is usually 35 </span>parts per thousand<span> in most marine areas. Hope this answers the question.</span>
Answer:
Central America: El Salvador, Guatemala, Panama, Honduras
Caribbean: Jamaica, Cuba, Puerto Rico
Explanation:
The countries of Central America: are Panama, Costa Rica, Honduras, Nicaragua, Guatemala, El Salvador, and Belize.
The countries/islands of Caribbean: Cuba, Jamaica, Haiti, Dominican Republic, Puerto Rico, Anguilla, Antigua and Barbuda, Saint Kitts and Nevis, Montserrat, Guadeloupe, Barbados, The Bahamas, Grenada, and much more (these are all the ones I remember)
Answer:
dramatic changes occurred in the way people lived
