Give reason: -
a) Meanders flows in a zigzag manner.
b) Living conditions have become more comfortable for lumberjacks.
c) The St. Lawrence River has facilitated trading activities.
d) Details cannot be shown on a small-scale map.
e) The coniferous forests are most suitable for lumbering.
Answers
a) Rivers flowing over gently sloping ground begin to curve back and forth across the landscape. These are called meandering rivers. from the outer curve of each meander bend and deposit it on an inner curve further down stream.
b)1) modern machinery for cutting which in turn had reduced job related risks. 2) newer technique of forestry had made life of lumberjacks more comfortable. 3) due increase in Forestry lumberjacks need not travel from one place to other. 4) they can earn their lively hood in all months of year.
c)St. Lawrence Seaway, today, is a massive seaway, combining the USA and Canadian waters, allowing shipping transportation to upper parts of Canada. Besides being a major route for most ships travelling in these parts of the world, it is also a major source of hydroelectric energy to both nations.
d)Scale is inversely proportional to the details of an area being depicted. Thus, a small-scale map covers a large area and provides few details about it.
e)Coniferous trees are more suitable for lumbering mainly due to the following reasons: Coniferous trees are mainly soft wooded trees which are comparatively easier to cut. The lack of dense undergrowth and creepers help in easily cutting these trees.
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