Answer:
Commas
Explanation:
Victor was standing in the driest place on Earth. In some parts of the Atacama Desert, not a single drop of water had been seen for decades. On his back, Victor's gear seemed especially heavy. He had food, clothes, and water for the next 250 kilometers. Could he make it? Yes, he could. While he waited for the race to begin, Victor's heart pounded. Above the desert, wispy clouds crossed the deep blue sky.
Can you be a bit more specific? I might be able to help you if you be a little more specific.
C. The process of evolution
