"Most of the heat which we enjoy and use we owe to the sun. The wood which blazes on the hearth, the coal which glows in the furnace, and the oil which burns in the stove owe their existence to the sun.
"Without the warmth of the sun seeds could not sprout and develop into the mighty trees which yield firewood. Even coal, which lies buried thousands of feet below the earth’s surface, owes its existence in part to the sun. Coal is simply buried vegetation,—vegetation which sprouted and grew under the influence of the sun’s warm rays. Ages ago trees and bushes grew “thick and fast,” and the ground was always covered with a deep layer of decaying vegetable matter. In time some of this vast supply sank into the moist soil and became covered with mud. Then rock formed, and the rock pressed down upon the sunken vegetation. The constant pressure, the moisture in the ground, and heat affected the underground vegetable mass, and slowly changed it into coal.
"The buried forest and thickets were not all changed into coal. Some were changed into oil and gas. Decaying animal matter was often mixed with the vegetable mass. When the mingled animal and vegetable matter sank into moist earth and came under the influence of pressure, it was slowly changed into oil and gas.
"The heat of our bodies comes from the foods which we eat. Fruits, grain, etc., could not grow without the warmth and the light of the sun. The animals which supply our meats likewise depend upon the sun for light and warmth.
"The sun, therefore, is the great source of heat; whether it is the heat which comes directly from the sun and warms the atmosphere, or the heat which comes from burning coal, wood, and oil."
Excerpt from General Science by Bertha M. Clark, PhD originally published in 1912 by American Book Company (available via Project Gutenberg: http://www.gutenberg.org/ebooks/16593)
credits
from INERTIA,
released January 5, 2016
Written & produced by Saira Raza, Dylan Banks, & 10th Letter
Cello, vocals, vibraphone, guitar, synth, effects performed by Saira Raza
Cello arrangement by Dylan Banks
Percussion by 10th Letter
Lyrics are an excerpt from General Science by Bertha M. Clark, PhD originally published in 1912 by American Book Company (available via Project Gutenberg: www.gutenberg.org/ebooks/16593)
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