Is derived from ancient swamps and bogs, where standing water prevented decay and allowed plant matter to accumulate and is derived from plankton and algae, mixed with mud and sand on ancient sea beds.

Coal is derived from ancient swamps and bogs, where standing water prevented decay and allowed plant matter to accumulate and oil is derived from plankton and algae, mixed with mud and sand on ancient sea beds.

the question is asking about the things that may have affected and what they effects had on the spanish conquest and settlement of america

explanation:

worldwide, 780 million people do not have access to an improved water source. an estimated 2.5 billion people lack access to improved sanitation (more than 35% of the world's population)