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2006-09-18 05:16:45 · 4 answers · asked by marta_notaro 1 in Arts & Humanities History

4 answers

Machines and pollution. The XX century saw the birth of the automobile, mechanized war, mechanized manufacture, electricity, planes, rockets, television, computers and robots. The waste of all this has caused a great deal of pollution. We are starting to realize and working (not hard enough) to reduce the levels of pollution.

2006-09-18 05:37:01 · answer #1 · answered by Lumas 4 · 0 0

The Automobile.

2006-09-18 12:31:50 · answer #2 · answered by samssculptures 5 · 1 0

Exploration of the outer space, mass education and industrialization, rise and fall of Soviet Empire.

2006-09-18 13:03:41 · answer #3 · answered by samsab 2 · 0 0

universal wars

2006-09-18 13:20:31 · answer #4 · answered by Mr Ed 7 · 0 0

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