What percent of earth s total volume is the crust? select one of the options below as your
a. 0.5%
b. 1%
c. 5%
d. 10%

The Earth's Crust contributes only about 1% to its volume - the correct answer is b). (it's no wonder since in some places it's only 3 miles thick!)

The biggest portion of the Earth's volume is taken up by the Mantle - around 84%. 15% of the Earth's volume are found in the innermost layer, the core.