3. If a rock was determined to be around 3.9 billion years old how much Potassium so would be left in that rock sample? (Percentage of Potassium 40)

Indica el nombre y la fucion de los vasos sanguineos que entran y salen de los riñones

What is a universal way that predation benefits the predator? predation increases mate availability. predation in defense of space. the predator gets the energy it needs to survive. the predator keeps parasites from hurting the species.

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