(Par 2.2.1. 1.3) Impact of sun and the greenhouse effect

The role of the sun as heat generator on earth and how it contributes to the greenhouse effect. http://www-istp.gsfc.nasa.gov/stargaze/Sun1lite.htm Sunlight and the Earth The Sun is the brightest and most familiar object in the sky. Life on Earth would not be possible without it: • The food we eat exists because of sunlight falling on green […]
(par 2.2.1. 1.4) Where Do the Laws of Nature Come From?

Where Do the Laws of Nature Come From? http://www.scienceandreligiontoday.com/2010/04/15/where-do-the-laws-of-nature-come-from/ From Robert Lawrence Kuhn, host and creator of Closer To Truth: I live my life, plan and do, worry and wonder. But whenever I slow down, step back, and ponder what it’s all about, I go to the laws of nature. Down deep, what are they? What makes […]
(par 2.2.1. 1.4) Photoperiodism (From Wikipedia, the free encyclopedia)

http://en.wikipedia.org/wiki/Photoperiodism From Wikipedia, the free encyclopedia Photoperiodism is the physiological reaction of organisms to the length of day or night. It occurs in plants and animals. Photoperiodism can also be defined as the developmental responses of plants to the relative lengths of light and dark periods. Contents 1 Plants 1.1 Long-day plants 1.2 Short-day plants 1.3 Day-neutral plants 2 […]