Everything in Earth's<span> system can be placed into one of </span>four major<span> subsystems: land, water, living things, or air. These </span>four<span> subsystems are called "</span>spheres<span>." Specifically, they are the "lithosphere" (land), "hydrosphere" (water), "biosphere" (living things), and "atmosphere" (air).</span>
<span>The Atlantic Provinces
Central Canada
The Prairie Provinces
The West Coast
<span>The Northern Territories
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Answer:
A
Explanation:
The body of water labeled number 3 is Orinoco river.
The body of water labeled number 7 is the Atlantic ocean.
Answer:
105°
Explanation:
Two angles are linear if their angle measures add up to 180°. (This is also known as vertical angles.)
If we know the measure of one angle, we can easily find the measure of the other, assuming x is the missing angle:

Hope this helped!
There are C. primary gases