Activity 1. carbon activity: Tree Growth Game https://www.globe.gov/c/message_boards/find_thread?p_l_id=18703103&threadId=86151889 2026-04-04T03:52:25Z 2026-04-04T03:52:25Z Alvard Melkonian https://www.globe.gov/c/message_boards/find_message?p_l_id=18703103&messageId=86151888 2022-02-18T13:53:37Z 2022-02-18T13:53:37Z

Good day.  The growth of our birch requires heat, precipitation. Heat in the form of the sun produces chlorophyll and therefore we see the green color of the leaves. Instead, our birch absorbs carbon dioxide and releases oxygen so useful and necessary for all living things<br /><br /><br /><img src="https://www.globe.gov/documents/18702582/0/%D0%BC%D0%B0%D0%BB%D1%8E%D0%BD%D0%BE%D0%BA.jpg/c5fa8b73-b84e-aa5a-d702-8583062cf0ad?t=1645192023780&amp;imagePreview=1" style="height: auto; width: 445.828px;" width="445.828125" /><br /><br /><br /><img src="https://www.globe.gov/documents/18702582/0/%D0%B8%D0%B7%D0%BE%D0%B1%D1%80%D0%B0%D0%B6%D0%B5%D0%BD%D0%B8%D0%B5_viber_2022-02-18_14-08-59-576.jpg/d67c1d60-436e-7399-9eaf-097b28044473?t=1645192063467&amp;imagePreview=1" style="height: auto; width: 383px;" width="383" /><br /><br /><br /><img src="https://www.globe.gov/documents/18702582/0/%D0%B8%D0%B7%D0%BE%D0%B1%D1%80%D0%B0%D0%B6%D0%B5%D0%BD%D0%B8%D0%B5_viber_2022-02-18_14-09-00-968.jpg/9b56f30c-c3c7-fcbb-a73b-cb046fc67937?t=1645192108897&amp;imagePreview=1" style="height: auto; width: 362px;" width="362" />

Alvard Melkonian 2022-02-18T13:53:37Z