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Environmental Science is the most important of all sciences. As the world enters a phase of climate change, unprecedented biodiversity loss, pollution and human population growth, the management of our environment is vital for our futures. Learn about Environmental Science on

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Question: What is the order of rotational symmetry (RS) of the letter H, and how many lines of symmetry (LS) does it have?

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IT Forum by Sean Bone

Quote of the day...

Growth is one of the stupidest purposes ever invented by any culture. We've got to have an enough. We have got to ask growth for what, and why, for whom, and who pays the cost, and how long can it last, and what's the cost to the planet, and how much is enough?

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