Answer:
A lichen is a composite organism that arises from algae or cyanobacteria living among filaments of multiple fungi species in a mutualistic relationship. Lichens have different properties from those of its component organisms.
Explanation:
The Industrial Revolution, which was the transition from hand production methods to machines occurred in Europe and the US between 1820 and 1840, brought as result the use new chemical and iron production processes, the use of steam power, the development of machine tools as well as the rise of the factory system.
The effects of this Industrial Revolution were notable in Northwest of America, specifically in Boston, New York City, and Philadelphia, where such industrial development transformed them into industrial cities and growing commercial centers.
<em>Some of the features which showed that such Northwest cities were becoming an urban society were the dense network of railroads, canals present in them as well as the telegraph network which linked the nation economically.
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Answer C: breakup of the USSR
Answer:
Dependent variable
Explanation:
This variable is created depending on the experiment`s outcome