Answer:
operant conditioning
Explanation:
In operant conditioning, organisms learn to associate events that repeatedly happen together. The word "operant" should be changed to the word "classical." any relatively permanent change in behavior brought about by experience or practice.
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Answer:
An element is. a parcel where it is made up of only one kind of particle called atom is known as element.
eg. oxygen
hydrogen
gold
silver
carbon
Explanation:
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The answer u r looking for is- D* failure of the immune system to distinguish self from nonself. Hope I’ve helped ;)
Established on the data, sickle cell hemoglobin displays altered primary structure and altered quaternary structure; the secondary and tertiary structures may or may not be altered. The sickle cell disease is a cluster of disorders that disturbs hemoglobin, the molecule in red blood cells that transports oxygen to cells all over the body. A person with this disorder have uncharacteristic hemoglobin molecules named hemoglobin S which can interfere with red blood cells into a sickle or crescent shape.
Answer: Differences of opinions, ethics, and rivalry possibly
