Where do long period comets spend most of their existence?

What feature of cell theory is best demonstrated in the image

Two critical interventions to turn around the opioid crises are:

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