Answer:
1853–1924: Passenger railways and expansion
The 14-carriage train was hauled by three steam locomotives: the Sahib, Sindh, and Sultan. ... The first passenger train in eastern India ran from Howrah (near Calcutta) to Hoogly, a distance of 24 miles (39 km), on 15 August 1854.
D) Migration Rate
Explanation:
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A cannot be accurately measured
A. Water
Seeds only germinate when rains occur, so death by dehydration less likely