Answer:
Marginal analysis is helpful to individuals and businesses in balancing the costs and benefits of additional actions, like whether to produce more, consume more, and similar other decisions, thus determining whether the benefits will exceed costs and increase utility.
The length of a square is 4 times A where A is the edge length
in a process sometimes called sea-floor spreading, molten rock forces its way upwards through cracks along the valley.the molten rock cools, hardening into new oceanic crust.
The forces of drag opposes the force of thrust