The sets have all been reversed so that you can print it on the back side of cardstock or patterned paper for scrapbooking or cardmaking. You can learn to make your own printable block letters using most fonts and Word Art in Microsoft Word.he sets have all been reversed so that you can print it on the back side of cardstock or patterned paper for scrapbooking or cardmaking. You can learn to make your own printable block letters using most fonts and Word Art in Microsoft Word.
The Cretaceous also saw the first radiation of the diatoms in the oceans (freshwater diatoms did not appear until the Miocene). The Cretaceous-Tertiary extinction. The most famous of all mass extinctions marks the end of the Cretaceous Period, about 65 million years ago.As everyone knows, this was the great extinction in which the dinosaurs died out, except for the birds, of course.he Cretaceous also saw the first radiation of the diatoms in the oceans (freshwater diatoms did not appear until the Miocene). The Cretaceous-Tertiary extinction. The most famous of all mass extinctions marks the end of the Cretaceous Period, about 65 million years ago.
Cretaceous-Tertiary mass extinction The Cretaceous-Tertiary mass extinction - also known as the K/T extinction - is famed for the death of the dinosaurs. However, many other organisms perished at the end of the Cretaceous including the ammonites, many flowering plants and the last of the pterosaurs.