Cold fronts move faster than warm fronts because cold air is denser, meaning there are more molecules of material in cold air than in warm air. ... Because air is lifted instead of being pressed down, the movement of a cold front through a warm front is usually called a low-pressure system.
Cold fronts move faster than warm fronts because cold air is denser meaning there are more molecules of material in cold air than in warm air. Because air is lifted instead of being pressed down, the movement of a cold front through warm front is usually called a low- pressure system
It supports it by saying that there was once only one mammal but then it reproduced and since different places have different climates they adapted or evolved to the climate changing their form and shape.
