Science2 - 00046

Science2 - 00046 - Untitled in summer does not readily...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Untitled in summer does not readily evaporate altogether from a pond, nor in winter freeze throughout its whole extent; water, that is such a mobile vehicle and such a subtle cleaver of substances; water, that forms over 80 per cent. of living matter itself. Of great significance was the abundance of carbon, hydrogen, and oxygen (in the form of carbonic acid and water) in the atmosphere of the cooling earth, for these three wonderful elements have a unique _ensemble_ of properties--ready to enter into reactions and relations, making great diversity and complexity possible, favouring the formation of the plastic and permeable materials that build up living creatures. We must not pursue the idea, but it is clear that the stones and mortar of the inanimate world are such that they built a friendly home for life. Origin of Living Creatures upon the Earth During the early chapters of the earth's history, no living creature that we can imagine could possibly have lived there. The temperature was
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 10/05/2009 for the course MATH 205 taught by Professor Popescu,c during the Fall '08 term at UCSD.

Ask a homework question - tutors are online