Explain why aluminium foil was used to wrap around the test tubes instead of putting them in a dark cupboard?

science-ocean floors and habitats study guide by volleyballqueen3817 a major advance in ocean-floor mapping. list four sections of the ocean floor. algae that use sunlight to produce their own food through photosynthesis. all of the feeding relationships that exist in a habitat. drying out, predators, find food.

sound moves fastest in solids because the molecules are tightly packed and it allows sound to vibrate

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