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Transcribed

Hamburger

(2+17+2)÷ (30 +6+40) What goes in 2 gallons of gasoline, enough fossil fuel to drive a car 30 miles Air pollution equivalent to a 30 mile drive, caused from both farm machinery and released methane 40 pounds and 13 gallons of cow excrement, which release pollut- ants into the air and water Enough grain to make 2 pounds of bread must come out: 6 pounds of topsoil erosion from mass-grazing of cattle farming methods What it takes to make one hamburger. +20+(1 × 30) +30 × 1/1000 20 square feet of tropical rain forest are consumed One mature tree, 30 feet tall. Below the tree would be a mammal species would use this patch of forest. Finally, an abundance of mosses, fungi, bark, leaves would live below. Millions of individuals and thousands of species inhabit that patch of tropical forest represented by a single hamburger. by every hamburger produced in Central America hundred saplings and seedlings in some thirty different species; several of which might be extremely rare. Living in the vegetation would be thousands of insects in a hundred species. Dozens of birds, reptile and + 1000 + 12+12+100

Hamburger

shared by smombartz on Nov 07
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Shows the resources it takes to make a single hamburger in numbers and explains the equation.

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