Answer:
The main contribution of land routes to India in ancient times are :
The main contribution of land routes to India in ancient times are :
(i) Trade.
(ii) Expansion of scientific knowledge.
(iii) Learning of other nations and cultures.
(i) Trade flourished through the land trade routes.
Initially, people's believe about the ocean floor was that it is mostly flat, and that it has little to no distinguishing features. This was proven wrong when sonar was used to map the ocean floor by <span>German scientists in the early </span>20th century, and they observed that the ocean floor is varied and it showcases such distinguishing features as atolls, submarine canyons, and mid-ocean ridges.
Answer:
Erosion, compaction, nutrient imbalance, pollution, acidification, water logging, loss of soil biodiversity and increasing salinity have been affecting soil across the globe, reducing its ability to support plant life and so grow crops.
Answer:
B. items 1 and 3
Explanation:
Housing and Traditional religions. Folk tales aren't affecting environmental factors.
Answer:
Correct answer is through intelligence about the Soviet nuclear program
.
Explanation:
First two options are not correct of course because this led more to the strengthening of economy of United States, and was not pointed towards the Soviet Union.
Third option is not correct as this was related more to their space race that started during the 1950s.
Last option is correct as both countries were espionage each other which in some cases almost led to the war between two countries.