Answer: Option (2)
Explanation:
Due to the increasing urban population, there are a lot of issues that has been created such as pollution, demand for food, scarcity of water, job opportunities and so on.
Population density has been constantly increasing and the forest areas have been reduced due to the cutting down of trees and making it a settlement area for the people.
Thus, the most suitable answer is option (2).
<span>The correct answer for the question that is being presented above is this one: "Topographic maps feature contour lines to portray the shape and elevation of the land. Topo maps render the three-dimensional ups and downs of the terrain on a two-dimensional surface. It also includes contours. Orthophoto maps</span> show land features using color-enhanced photographic images which have been processed to show detail in true position. They may or may not include contours."
Ecologists are unsettled on whether or not any truly commensal interactions among organisms take place or not because it depends on the kind of organisms. When a bird makes a nest in a tree and lays eggs, the eggs are definitely safe. This procedure does not harm the tree directly, but it can stop the sunlight from reaching some parts of the tree. This actually shows that the bird has benefited from the situation but the tree has lost out.
The Neolithic revolution was when agriculture and herding replaced migratory hunting and gathering as the dominant lifestyle of human societies. About 12,000 years ago, a …highly significant change in human culture occurred when humans in the Middle East began to develop animal husbandry and agriculture.
www.answers.com/Q/What_new_techniques_did_people_learn_during_the_Neolithic_Revolution
