Answer:
C
Explanation:
It's essentially just selective breeding and like the equivalent to people breeding dogs for certain traits
Answer:Fossils are all throughout different rock layers. The oldest fossils are on top and the newest are at the bottom.
Explanation: there is a rich fossil record that shows the evolutionary transitions from horse ancestors to modern horses that document intermediate forms and a gradual adaptation o changing ecosystems.
In an atom, the number of protons is almost always equal to the number of electrons
Oxygen-poor blood goes into the lungs and through the lung capillaries after leaving the heart. It does so to be oxygenated by the lungs. The oxygen in the lungs comes from the air we breath. Once the blood is oxygenated, it goes back into the heart, to be pumped back into our bodies for distribution.