A scientist studying a swamp notes that is contains a high concentration of organic carbon. She should classify this region as

The density of a planet is 0.69 g/cm3 (density of water is 1.0 g/cm3). which of the following planets might this be? a. mercury b. venus c. saturn d. mars

The formation of a solid, also known as a is an indication of a chemical change. precipitate particulate particle powder

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