Curious Carl conducted an experiment on the eating habits of black bears. While living in the woods, Carl was able to record the daily diet of five bears. After a year of observation, Carl summarized his findings in the graph. Which statement is an observation rather than an inference?

What rule is used to determine how many covalent bonds an element can form? a. the number of covalent bonds is equal to six c the number of covalent bonds is equal to five minus the group number plus the group number b. the number of covalent bonds is equal to eight d. none of the above minus the group number select the best answer from the choices provided