[Solved] A regulation that specifies the maximum amount of a good or service that may be imported during a specified period is a(n): A)import quota. B)tariff. C)nontariff barrier. D)export quota. Peat Formation: The process by which plant material is partially decomposed in waterlogged conditions, leading to the accumulation of organic matter known as peat. Plant Material: Organic compounds derived from plants, including leaves, stems, roots, and flowers, involved in various ecological cycles. Microorganisms: Very small, often single-celled organisms that can be bacteria, fungi, viruses, or protozoa, not visible to the naked eye. Iron Formation: A sedimentary rock consisting of alternating layers of iron-rich minerals and silica or carbonate, typically formed in Precambrian seas.