C. Dinosaur footprint as it is the only body part that is stated in the choices.
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I believe they are the quadecipes because they are under the knee and the thigh is under the knee
Answer: Algae use photosynthesis to convert CO2 and sunlight into sugars and then convert some of the sugars into oil, which can be harvested and converted to biodiesel. 4) 30x more oil per hectare than other plants used for biodiesel such as soybean, oil palms, and rapeseed.
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