Over Salem, Oregon there is a marine polar airmass most of the year including May
Air masses form as air gathers in a specific area, and all the air has stable conditions such as a similar temperature and humidity. Air masses are often large as they cover multiple kilometers.
Moreover, the air masses can be:
- Marine
- Continental
- Tropical
- Polar
- Arctic
Salem, Oregon is in the west coast of the United States, in this area, the air masses are Marine due to the location near the ocean and Polar because the air is cold. Moreover, the location of this air mass is quite constant, this makes it likely the Marine Polar mass is over Oregon most of the days of the day.
Note: This question is incomplete because the year is not specified; however, I can answer it based on general knowledge
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Answer:
a theory explaining the structure of the earth's crust and many associated phenomena as resulting from the interaction of rigid lithospheric plates which move slowly over the underlying mantle
Explanation:
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It was very difficult for them to grow families. They got separated very often. And other family members could have possibly been killed.
Answer: From Earth POV, the new moon will appear to be completely dark, while the full moon, it will appear completely lit up
Explanation: In the new moon phase, the moon is in between sun and earth, the new moon phase is lit on the side of the moon thats facing the sun, while dark on the side facing the earth, in the full moon phase, the side of the moon facing the sun is also facing earth, making it visible completely.