Answer:
When a cold front overtakes a warm front, it creates what's called an occluded front that forces warm air above a frontal boundary of cooler air masses.
Explanation:
The presence of a cold front means that cold air is advancing and pushing underneath warmer air. This is because the cold air is ‘heavier,’ or denser, than the warm air. Cold air is thus replacing warm air at the surface.
Answer:
Flat
Explanation:
The atlas is one of the two upper cervical vertebrae, also known as C1, which is the topmost vertebra of the spinal column. ... It is the vertebra that is in contact with the occipital bone, a flat bone located at the back portion of the head.