Nick mentioned to his doctor at his annual physical that his skin color was darkening. after tests, the doctor diagnosed nick with an autoimmune disease that affects the adrenal cortex, resulting in insufficient levels of adrenal cortex hormones. what disorder does nick have?

Which statement best describes a typical difference that could be found between the "analysis" and "conclusion" sections of a lab report? a) only the "conclusion" describes errors that occurred during the experiment, and only the "analysis" section suggests further research. b) only the "analysis" section includes specific data comparisons, and only the "conclusion" section suggests further research. c) only the "analysis" section discusses whether the original hypothesis was supported, and both sections include graphs of data. d) only the "conclusion section discusses whether the original hypothesis was supported, and both sections suggest further research.(the answer is b i just took the test)

There are only about 250,000 known fossil species. true or false

Why are current extinctions of concern to enviromentalists?