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250-Year-Old Eyewitness Accounts of Icier Arctic Attest to Loss of Sea Ice (pinning this mostly for the photo, which is cool)

250-Year-Old Eyewitness Accounts of Icier Arctic Attest to Loss of Sea Ice (pinning this mostly for the photo, which is cool)

floating cap of sea ice in the Arctic Ocean

Graphic: Arctic sea ice loss

WHAT IS A GLACIER MADE OF?A glacier might look like a solid block of ice, but it is actually moving very slowly. The glacier moves because pressure from the weight of the overlying ice causes it to deform and flow. Meltwater at the bottom of the glacier helps it to glide over the landscape.

Breaking Ice...

WHAT IS A GLACIER MADE OF?A glacier might look like a solid block of ice, but it is actually moving very slowly. The glacier moves because pressure from the weight of the overlying ice causes it to deform and flow. Meltwater at the bottom of the glacier helps it to glide over the landscape.

The rest is locked in snow caps, glaciers, and underground aquifers. (PHOTO: NASA)

The rest is locked in snow caps, glaciers, and underground aquifers. (PHOTO: NASA)

tumblr mvcj81pywl1qkegsbo1 500 Random Inspiration 107 | Architecture, Cars, Girls, Style & Gear

Random Inspiration 107

tumblr mvcj81pywl1qkegsbo1 500 Random Inspiration 107 | Architecture, Cars, Girls, Style & Gear

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