0 the circular pattern of a gas, such as air, or a liquid, such as magma (= melted rock under the surface of the earth), rising and falling as it becomes hotter and cooler
1 the circular pattern of a gas, such as air, or a liquid, such as magma (= melted rock under the surface of the earth) rising and falling as it becomes hotter and cooler
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
