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When people in a community do not have “physical and economic access to sufficient, safe and nutritious food to meet their dietary needs and food preferences for an active and healthy life”, they are considered food insecure (Agriculture and Agri-Food Canada, 1998)....

Free Essays on Physical Science. Get help with your writing. 1 through 30

The origin of physical science dates back about 3000 years. Then there was no division into physics, biology, geography. That were the philosophers who pursue sciences. With the development of trade and seagoing development of geography has begun, as well as astronomy necessary for navigation, and with development of technique is development of physics, chemistry.

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22/11/2008 · I'm looking for some ideas for some essays on physical science topics

Physical science is totality of knowledge about natural objects, phenomena and processes. Physical science was formed before the formation of any separate natural sciences. It actively developed in the XVII-XIX centuries. The first scientists engaged in physical science or accumulation of primary knowledge about nature were named naturalists.