Answer:
It's bases of an object's position
It could be a common ancestry among organisms.
Answer:
The suns average density is greater than water's.
Density (avg) of the sun: 1.4 g/cm
Density of H20: 1.0 g/cm
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The very primitive organism is the oldest because, over time, organisms gradually evolved into more complex organisms. First came the primitive organism, then it evolved into the more complex one, or the younger fossil.
