Answer:
No it is not more than 19cm
Explanation:
<span>A mantle plume is an upwelling of abnormally hot rock within the Earth's mantle. As the heads of mantle plumes can partly melt when they reach shallow depths, they are thought to be the cause of volcanic centers known as hotspots and probably also to have caused flood basalts.
Found this on ScienceDaily.com</span><span>
</span>
Grown or increased because the US uses lots of waste doing things. Hope i help.
Answer:3.797 million miles
Explanation:
