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What are the primary senses you would use to make observations in physical science labs?
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Brass gets discoloured in air because of the presence of which of the following gases in air? a. oxygen b. hydrogen sulphide c. carbon dioxide d. nitrogen
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Humans have to eat food to get the nutrients that keep us alive, but plants use the sun to power photosynthesis
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Photosynthesis converts solar energy into what type of energy? o a. chemical energy o b. electron energy o c. water energy o d. photon energy
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What are the primary senses you would use to make observations in physical science labs?...
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