Education Cretaceous Periods

1.• The Cretaceous Period (meaning "chalk," from the many chalk deposits of this age [the White Cliffs of Dover, to name one]) easily stands as one of the most…

Documents MICROBIOLOGICAL SUBSTRATE SELECTIVITY IN PICTURES

THOUGHTS ABOUT MICROBIOLOGICAL SUBSTRATE SELECTIVITY IN PICTURES Of old I prepared a substrate by hydrothermal method in boiling water. Eventually I started to reduce the…