They are known as Secondary Waves. : )
Answer:
16. B
17. B
18. D
Explanation:
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Mitocondria is nicknamed the powerhouse of the cell, These structures are nicknamed the powerhouse of the cell because they work to convert energy into forms that the cell is able to use. Mitochondria are semi-autonomous cells, which means that they only rely partly on the cell for division and growth.
-www.reference.com/science/powerhouse-cell-f9bbce99417d7167
Here is the sequence:
Ribosome, Endoplasmic reticulum, and Golgi Apparatus.