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Anthropic Constants Ch. 4

Horizontales
The universe __________ at just the right rate so that stars and galaxies formed and the universe did not collapse on itself.
If the water _________ levels in the atmosphere were to rise or fall, the temperatures on earth would either be too hot or too cold for human life to exist on earth.
The _________ dioxide level in the earth's atmosphere is at the precise level so plants can maintain efficient photosynthesis and a runaway greenhouse effect does not develop.
The degree of _____________ of the atmosphere allows just the right amount of solar radiation to reach the earth's surface.
The 23-degree __________ of the earth keeps the surface temperature of the earth from becoming too extreme.
__________comprises 21% of the atmosphere.
Just the right amount of ___________ are necessary to sustain life--too much and earth would be unlivable; too little and not enough nutrients would be cycled from the oceans and rivers to the continents.
If the force of _______ on the earth is altered by less than a milli-fraction of a percent, the sun would not exist.
Verticales
Jupiter's current orbit and gravitational field attracts __________, comets, and other space material so that they don't bombard or strike earth.
If the rate of ___________ strikes in the atmosphere were too great, fire would destroy too much; if the rate was too small, not enough nitrogen would be fixed in the soil.
The laws of physics can be described as a function of the __________ (or speed) of light. Any variation to the speed of light would altar other constants.
The ____________ gravitational interaction is just right so the tides are stable and the weather cycle is balanced.
_________ forces and gravitational forces are precisely balanced so all the planets and earth are held in orbit around the sun.
The 24-hour __________ of the earth is just right--too long and the temperature difference between night and day would be too extreme and if too short, atmospheric wind velocities would be too violent.
There are 100 billion stars in our galaxy, and the average distance between them is 30 trillion miles. Any variation of this average would affect planetary _________.
The crust of the earth is just the right thickness--too thin and volcanic and ___________ activity would make life impossible; too thick would allow too much oxygen to be transferred to the crust.