I need help with this thank you

Which phase of the cell cycle ensures that identical copies of the dna are made for daughter cells?

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

What is usually (but not always) related to the metabolic processes of living organisms in its organic form?