Answer:
Snow is the answer
Explanation:
Precipitation elements begin to form in the part of the cloud where ice crystals and cloud droplets coexist. Most precipitation starts out as snow, except for rain that comes out of very low clouds.
In geology, a graded<span> bed is one </span>characterized by<span> a systematic change in grain or clast size from one side of the bed to the other. Most commonly this takes the form of normal grading, with coarser sediments at the base, which grade upward into progressively finer ones.</span>
Warm, humid, growing, part of United States with important oil discoveries - <u>South</u>.
Northern part of this peninsula is heavily populated, near San Diego - <u>Baja California</u><u>.</u>
Vast forests and active volcanoes in the United States - <u>Pacific Northwest</u>.
Includes area around the American and Canadian shores of the Great Lakes - <u>Midwest</u>.
<h3>What is a sub-region?</h3>
This refers to the conceptual unit which derives from a larger region or continent and is usually based on location.
For instance, in the United States, the subregion of the country includes the Pacific Northwest, Midwest, Baja California, South etc.
Therefore, in this question, the sub-region were used to locate the region where we have:
- Warm, humid, growing, part of United States with important oil discoveries
- Northern part of this peninsula is heavily populated, near San Diego
- Vast forests and active volcanoes, in the United States
- Includes area around the, American and Canadian shores of the Great Lakes.
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