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Astronomers used the cross-staff for measuring the angle between the directions of two stars. ... Ships' officers used it to measure the elevation angle of the noontime Sun above the horizon, which allowed them to estimate their latitude
Explanation:
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Yes, I agree! I would say C) The Pampas is a very fertile marsh in Southern America. However, they farmers should grow variety of crops.
<span>Cultural geography is the study of how places or landscapes are a reflection of culture,shape the landscape and vice-versa. Human geography us a broader umbrella fir cultural, economic, social and behavioral geography</span>
Sea wall that you sea all over the east coast protect many cities from high tide. And keep many soil along the coast from eroding.