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1. • Everything (living or non-living things) whichhas mass and occupies space. 2. • Non-matter do not have mass and do notoccupy space. 3. • Matter is made up of many…
1. The moon is probably the most familiar object in the night sky. Like the planets, it shines because it reflects light from the sun. It is also the “fossils” of…
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Slide 1Smoke Alarms A Brief History Photoelectric vs. Ionization Review Of Our Message Slide 2 Smoke Alarms Why are people dying in fires with working Smoke Alarms? Slide…
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Slide 1 Slide 2 Convection Convection is the transfer of heat by the circulation of currents from a hotter to cooler region. Convection currents only occur in liquids and…