Calculate the molar mass of Al2O3.
A) 70 g/mol B) 43 g/mol C) 102 g/mol
D) 210 g/mol

Which statement accurately describes the rock layers? layer 8 is older than layer 1. layer 3 is younger than layer 6. layer 4 and layer 10 are the same relative age. layer 2 and layer 9 are the same relative age.

20 pts ‼️ an unmanned spacecraft travels to mars. mars has a lower strength of gravity than earth. where in the image is the spacecraft’s weight the greatest?

What is true for a substance that releases energy