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Img 5473900228 1518099911
Img 5473900228 1518099911
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Unstoppable Solar Cycles

$15.00

Shipping options

Ships in 10 business days Details
FREE via Unspecified shipping type to United States

Return policy

Full refund available within 30 days

Purchase protection

Payment options

Shipping options

Ships in 10 business days Details
FREE via Unspecified shipping type to United States

Return policy

Full refund available within 30 days

Purchase protection

Payment options

Item traits

Reviews:

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Category:

DVD, HD DVD & Blu-ray

Quantity Available:

100 in stock

Condition:

Brand New

Format:

DVD

Region:

DVD: 0, All (Worldwide)

Genre:

Educational

UPC:

718122230624

Studio:

Other

Country/Region of Manufacture:

United States

Listing details

Seller policies:

View seller policies

Shipping discount:

Seller pays shipping for this item.

Posted for sale:

More than a week ago

Item number:

552544650

Item description

When Erik the Red first arrived in Greenland, the fertile green land was perfect for farming. But within a few centuries the thriving Viking settlements had been wiped out by global cooling. The Little Ice Age is one of many climactic eras that have been scientifically identified. Since about 1850 the earth has been in a warming period. What is the role of carbon dioxide in warming? The best available records of temperature and atmospheric CO2 over the past 650,000 years indicate that the earth's temperature always rises first, followed by a rise in carbon dioxide. If a warmer earth leads to increased levels of CO2 - and not the other way around - can humans' use of fossil fuels be the cause of global warming? Shouldn't this critical question remain open to scientific inquiry? Unstoppable Solar Cycles covers numerous educational standards across several subject areas including ELL, Media/Technology, Language Arts, Science, and Social Studies for Grades 4-12.
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