Those materials were PLASTIC,PLA,GLASS,SILVER,TITANIUM,STEEL,WAX,PHOTOPOLYMERS, and POLYCARBONATE
Answer:
Convection currents are caused by a temperature difference in gases and liquids. As one area becomes warmer than another the molecules have more energy and start vibrating more vigorously thus spreading out and becoming less dense. This means that the less dense parts will become more buoyant causing them to rise.
Explanation:
Element Symbol Atomic Mass
Barium Ba 137.327
Hydrogen H 1.00794
Oxygen O 15.9994
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Freezing point. because toxicity is a chemical property as well as pH and flammability is dependent on the items chemical composition <span />
Answer:
salt is a naturally occurring substance on earth and does not contain any compounds that react poorly to carbon based life.
