A. True
Sedimentary rocks are the only rocks that can hold fossils.
The spaceship does not have any gravitational pull. A spaceship can not produce its own gravity like Earth does.
It is greater than the total mass
Answer: The Mohs Hardness Scale is used as a convenient way to help identify minerals. A mineral's hardness is a measure of its relative resistance to scratching, measured by scratching the mineral against another substance of known hardness on the Mohs Hardness Scale.
Explanation: Hope this helped! :)
Because the amount of hydrogens all depends on the valence electrons
