What difficulties might the Olmec have encountered in developing their trade routes?

Which environment would most likely not contain fossils? a a thick deposit of cracked, dried mud b sediment deposited in a sandy river bed c intrusive rock formed from cooled magma d layers of sand accumulated for a century

The availability and cost of blank is a major component of a region's overall cost of living.marking brainliest answer btw only one answer -health care -transportation -housing -education its 20 pts

Hong kong, south korea, taiwan, and singapore are sometime referred to as the "four " because of their rapid industrial economic growth.