An object with a specific gravity (SG) of 7.5 which could be a mixture of something with a SG higher than 7.5 and something with a lower SG.
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A high specific gravity means a substance is denser compared to water. It is a measure of how much heavier a substance is compared to an equal volume of water.
1 mL is equivalent to 1 cm^3. So, if you have 1 mL of a substance, you have 1 cm^3 of that substance.
Gold is heavier than bismuth. Gold has a greater density and atomic mass compared to bismuth, making it heavier for the same volume.
A gallon of fresh water is heavier than a gallon of sea water because fresh water is denser than sea water.
No, the stomach is larger in volume compared to the duodenum. The stomach serves as a temporary storage and mixing chamber for food, whereas the duodenum is the first part of the small intestine where further digestion and absorption take place.