Solution:
Latvia does not share its borders with Poland. Latvia is bordered by the 4 neighboring nations of Russia (eastwards), Estonia (northwards), Belarus (southeastwards), and Lithuania (southwards).

Solution:
A mine dug deep into the earth is a "shaft mine". Shaft mining is a type of underground mining where shafts are pushed vertically start to finish to uncover the metals and minerals. It is additionally called shaft sinking.

Solution:
Continental shelf, Continental slope, Ocean depths and then Deep sea plains is a correct sequence of increasing depth.

Solution:
Until 1960 Cuba is the largest Sugar Exporter in world so it is been called as Sugar Bowl of the World. In 2017-18 Year Brazil leading in Suagr production 38.9 million metric tons. India produced 32.5 million metric tons.

Solution:
The highest commercially navigable lake is Lake Titicaca, which lies in the Altiplano at a height of 3,810 m (12,500 ft) above sea level on the Andean border between Peru and Bolivia.

Solution:
The leading producer of coal in former Soviet Union is Donetz basin. Donets Basin, Ukrainian Donetskyy Baseyn, Russian Donetsky Basseyn, byname Donbas or Donbass, large mining and industrial region of southeastern Europe, notable for its large coal reserves.

Solution:
The countries with the lowest and worst economic conditions in the world referred to as the 'Pole of hunger' are European Countries.