Compare the value in box 7 to the average mass of each type of bean (isotope) in row 3. Which beans average mass is your #7 the closest to?

Scientific evidence tells us that the cause of earths four season is the tilt of earth as it revolves around the sun. the student is instructed to illustrate this information in a science notebook. how will the student illiterate winter in the northern hemisphere?

Air can be considered a mixture. which statement does not explain why?

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