The Earth is constantly changing. Some of this change occurs slowly over many millennia, and some occurs relatively rapidly over the decades.
Forests are an important and common feature of the Earth’s land cover, covering 31 percent of the total land surface. There are two regions in particular where forests are common.
NASA Worldview is a free online visualization tool that is a great launchpad for learners who are new (or
NGSS Disciplinary Core Ideas
NGSS Science and Engineering Practices
NGSS Crosscutting Concepts
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