Answer:
The systolic pressure is 120, and the diastolic p
ressure is 80.
Answer: Farming
Explanation: Plowing the land is the first source of wealth.
Answer:
The particles that cause the aurora are energized in the magnetosphere, that is, above the atmosphere. If they don't reach 10,000 volts, they will still cause auroral light. The lower energy won't change the wave length of the light, but will cause the light to be dimmer.
Explanation:
