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… is energy that travels as a wave or particle. Some types of radiation can be harmful. This is called ionizing … is energy that travels as a wave or particle. Some types of radiation can be harmful. This is called ionizing …
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… test" or "It sounds like it was a busy day." Using these types of techniques helps to you to talk with children in a … test" or "It sounds like it was a busy day." Using these types of techniques helps to you to talk with children in a …
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… gets hard. To get more omega-3 fatty acids , try different types of fatty fish such as salmon, trout, or mackerel. Add … gets hard. To get more omega-3 fatty acids , try different types of fatty fish such as salmon, trout, or mackerel. Add …