![](/nationalgeographic/pathfinder_may_2020/activity/719248/NationalGeographic_300017.512_0_1.jpg)
wetland
![](/nationalgeographic/pathfinder_may_2020/activity/719211/question_5.512_0_1.jpg)
forest fire
![](/nationalgeographic/pathfinder_may_2020/activity/719212/question_5_copy.512_0_1.jpg)
plantsin water
![](/nationalgeographic/pathfinder_may_2020/activity/719208/b57hm3.512_0_1.jpg)
animals
![](/nationalgeographic/pathfinder_may_2020/activity/719213/GettyImages_1125633576.512_0_1.jpg)
plantson land
![](/nationalgeographic/pathfinder_may_2020/activity/719214/GettyImages_157313230.512_0_1.jpg)
burningfossil fuel
![](/nationalgeographic/pathfinder_may_2020/activity/719215/shutterstock_243783016.512_0_1.jpg)
soil
Carbon Source
Carbon Sink
Carbon Source
Carbon Sink
Carbon Source
Carbon Sink
Carbon Source
Carbon Sink
Carbon Source
Carbon Sink
Carbon Source
Carbon Sink
Carbon Source
Carbon Sink
Toomuchcarbondioxideintheatmospherecanbeharmfultothe planet.
Isthephotoshowingacarbonsourceoracarbonsink?Tapabuttonto answer.
Welldone!
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