What is it called when an organism signals another that their interaction is not serious or threatening? agonistic interaction courtship metacommunication cooperation

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

Achange in which factor will affect the rate of reaction only when gases are involved? temperature pressure surface area concentration

In figure 1-2 what is the distance from point b to point c?