<em>A circadian rhythm /sɜːrˈkeɪdiən/ is any biological process that displays an endogenous, entrainable oscillation of about 24 hours. These 24-hour rhythms are driven by a circadian clock, and they have been widely observed in plants, animals, fungi, and cyanobacteria.</em>
the correct answer is a)I only
<span>Your thesis statement should have your viewpoint in it and the thing that you would be trying to prove during the course of your expository essay. Then, later in the body paragraphs, you would write things that support your viewpoint and try to present a problem or persuade someone something.</span><span />
About 20 astronaut have faced fatalities during the space program.
Answer:
B. to identify an organism
Explanation:
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