Answer:
Cool air forms denser clouds, and when the clouds from the side of the mountain with cool air try to go to the side of the mountain with warm air, the clouds warm up and dissipate.
Vertebrates developed about 550 million years ago. The oldest vertebrate fossils are those of FISH with no jaws. These e<span>arly jawless fish did not have paired fins and their bodies were covered with heavy, bony scaled, but their skeletons were made of cartilage. For the next 50 million years, they were the only vertebrates.</span>
Answer:
Cyclines in phase s double their DNA.
Explanation: Hello, In this phase the cyclin doubles in a strictly regulated and conserved manner.