The extermination of the dinosaurs, the start of a rise to dominance of mammals and a meteorite effect in mexico marks the boundary among the mesozoic and the cenozoic or as named as the k-p boundary. In addition, the cretaceous paleogene (K–Pg) boundary which is previously recognized as the cretaceous tertiary (K–T) boundary is a geological signature typically a thin band of rock.
Just read the book and then circle the words you don't understand learn them and then read it again
Answer:
C. control rods
Explanation:
Devices that absorb neutrons and are used to control the speed of a fission reactor are called control rods. They are used in nuclear reactors to control the fission rate of uranium and plutonium. They are composed of chemical elements that are capable of absorbing many neutrons .
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<span>The answer to this question would be: Nonproductive hacking cough
</span>Nonproductive hacking cough is one of the cancer sign even though it's not specific. The cancer cell can stimulate the lung epithelial, causing the patient to cough. Unlike in the infection, the cough is nonproductive and not accompanied by fever. An early diagnosis can help to improve the prognosis of the patient.
