The amount of matter that makes up an object is the object's (2 points)

a) weight
b) mass
c) density
d) force

What is the independent variable in this investigation? mass volume sample number substance density

What is the percentage composition of carbon in the compound ch4

Oil rich countries in the middle east cover about 4% of earths total land area but prossess about 48% of the worlds known oil reserves what is the main reason for high concentration of reserves in this part of the world