Which chemical formula reflects the diagram

The carbon cycle is best defined as a process in which a. carbon changes from inorganic forms to organic forms and back b. carbon is changed into other elements such as oxygen or nitrogen c. carbon is continually created from the sun’s energy by plants d. carbon is consumed and regenerated from other elements such as oxygen and nitrogen

Which soil would most likely be found in the arctic? andisols gelisols histosols spodosols

Which material is commonly used as a culture medium for living cells