speculative; and I think that wearrive here at a point where speculation helps us as littleas it does in attempting to trace the evolution of livingcreatures across the gap which separates the earliest formsof life from the beginning itself of life upon the earth.Since we can not hope to determine… … Gouptl gravure D. Apple toil 8c Company THE PAST AND FUTURE OF OUR EARTH 6l chaotic masses of gaseous matter occupying millions ofmillions of cubic miles and scattered as wildly throughspace as clouds are scattered in a storm-swept air, we cometo various orders of nebulae in which we seem to find…
Astronomy
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