March 1, 1975
1 min read
The Earth's Mantle
This great body of hot rock accounts for 83 percent of the volume of the earth and 67 percent of its mass. Although the mantle is inaccessible, much has been learned about it by indirect evidence
00
March 1, 1975
1 min read
The Earth's Mantle
This great body of hot rock accounts for 83 percent of the volume of the earth and 67 percent of its mass. Although the mantle is inaccessible, much has been learned about it by indirect evidence