<span>If you look at hominids' mouths you can learn a lot. You can compare the teeth to see what they eat. Different foods cause a different amount and type of wear. You can also point out individuals by matching their teeth with what you know about them.</span>
Research suggest that the combined length of the small and large intestines is at least 15 ft in length. The small intestine can measure about 9-16 ft while the large intestine is roughly 5ft long.
The answer is: massive stars create a lot of heavier elements. They produce much of the carbon and oxygen which is hugely important for humans and water respectively.