Who was one of the leading european explorers of the pacific ocean

People keep spending additional units of a particular resource on a want until their marginal benefit is  decreasing withgreater thanless thannot affected by  their marginal cost.

In the following diagram, four different index fossils are labeled: which of the labeled fossils comes from the oldest organism? a b c d

Countries that have a traditional economy often develop at a slower pace than countries with a free market economy. true or false