Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Coding rubric and percent of students in each section including each concept for the carbon cycle essay question on exam 4. The text of the question is shown in Table 1. Significant differences (p < 0.05) between sections are indicated by *.
