Social Sciences, asked by suryatej8755, 1 day ago

(. ) 4. The Barter system came into being in the a. Paleolithic Age b. Mesolithic Age c. Neolithic Age d. Chalcolithic Age (5x12=24/2M) VI. Fill in the blanks: (5x12=2/2M) 1. The preamble is the to the constitution of India. 2. Voyages and Discoveries benefitted a lot. was invented by Guglielmo Marconi. 4. The Directive Principles of our constitution were taken from the constitution. 3. 5. Wright Brothers invented (3x1=3M)​

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Answered by mqasim28019
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Answer:

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