What creates the bond between the sodium and chlorine ions

Why is it important that fibrin is insoluble in water?

What best describes the dropping height of a ball that bounces back up to a height of 45 cm

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