Answer:
Level I ecological regions are: Arctic Cordillera, Tundra, Taiga, Hudson Plains, Northern Forests, Northwestern Forested Mountains, Marine West Coast Forests, Eastern Temperate Forests, Great Plains, North American Deserts, Mediterranean California, Southern Semi-Arid Highlands, Temperate Sierras, Tropical Dry Forests
Explanation:
Work: 2y+6x=18
-6x both sides
2y=-6x+18
÷2 both sides
Y=-3x+9
Answer: y=-3x+9
Hope that helps
I believe it is Sand. because when sand hardens it's like a type of case that conceals things like bones hope this helps and have a great day :-)
<span>C.
Wind systems converge at a coastline moving warm surface water toward the coastline. The water piles up and sinks.
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the answer is Kettles
Kettle is sediment filled body of water formed by melting glaciers.
When the ice blocks calved from the glaciers, they became submerged in the sediment on the outwash plain and formed some kettle holes