Can someone help me out with this

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 event would lead to primary succession of a forest?

Which statement is a physical property? becomes moldy quicklyeasy to digestconducts electricity poorlydoes not burn