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The characteristics of alveoli favour gas exchange between air and blood. Give another structure in a Human body that shares similar characteristics as alveoli.
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When fossil fuels are burned, carbon dioxide is released. how does this gas impact the environment?
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In a leaf, dermal tissue a) stores food b) stores carbon dioxide c) releases oxygen into the air d) transports water from the roots
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The characteristics of alveoli favour gas exchange between air and blood. Give another structure in...
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