That would be peptide bonds
Answer:
The correct answer is b. The oldest generally accepted fossils of large animals range in age from 565 to 550 million years old.
Explanation:
The oldest one of them all is the hematite tubes, that are dated about 3.77 billion to 4.2 billion years and it's from a yet unknown bacteria.
Hey there,
It is the Turbine and also the generator that converts the movement of water.
Hope this helps
~Jurgen