Kim4Allensam8illywhi, The Colombian River is the river that flows along the border of Washington and Oregon. <span />
Answer:
Abrasion and Attrition both mean the wearing down of an object, however,
Explanation:
Atrition refers to the breaking off of particles (erosion) which occurs as a result of objects hitting against each other. Abrasion leads to surface-level destruction over time, whereas attrition results in more change at a faster rate.
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Answer:
Difference in longitude = 45–15=30
■ If we start from 0° longitude (Prime Meridian) to east, with one passing longitude 4minutes will added.
■ So, 30 X 4 = 120 minutes = 2 hours ahead
■ So, time on 45°East will be 9 + 2= 11 am.
In April of 1869, he obtained a patent for one of his most important inventions, the air brake. This device enabled trains to be stopped with fail-safe accuracy by the locomotive engineer for the first time and was eventually adopted on the majority of the world's railroads
