Most likely clay, silt and sand are to be found in samples of rocks.
Answer:
whats the rest of the question?
Explanation:
Oparin-Haldane hypothesis. The Oparin-Haldane hypothesis is named after the two scientists; <span>Russian scientist Aleksandr Oparin and English scientist J. B. S. Haldane. The two scientists separately hypothesized that life began when some inorganic molecules were converted into organic molecules specifically amino acids by the help of energy came from a lightning struck.</span>
They evolved during the Cambrian explosion.