REVIEW OF THE LEGAL AND REGULATORY HISTORY OF LEAD IN HUNTING

Review of the legal and regulatory history of lead in hunting

Abstract In the United States, regulations to restrict the use of lead in ammunition have evolved at both the federal and state levels since lead shot was banned for hunting waterfowl nationwide by federal regulation in 1991.Prior to 1991, most of the effort and discussions were focused on reducing lead ingestion by wildlife from, and finding alter

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Development of Animated Video-Based Mathematics Learning Media Using Adobe After Effect on The Three-dimensional Material to Improve Mathematical Literacy

This article discusses the development of animation-based learning videos on three-dimensional materials to improve mathematical literacy.This development research uses the Plomp model, that is, preliminary research, development or prototyping, and assessment phase.The results of the learning video in this development are viewed under three aspects

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