Self-tutoring about food: the tutor wonders if an egg with a speck of blood on the yolk is safe to eat. Apparently, an egg with a blood spot on the yolk is safe to eat. Source: incredibleegg.org/eggcyclopedia/b/blood-spots/ thekitchn.com

Self-tutoring: the tutor inquires whether wax paper can be used to line a pan for baking. Two sources indicate that wax paper can be used for baking, but only under the following two conditions: The batter must completely cover the …

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