Chinese products were vital to the afro Eurasian trade network
Answer:
It was used to find enemy planes and ships
Explanation:
This revolutionary new technology of radio-based detection and tracking was used by both the Allies and Axis powers in World War II, which had evolved independently in a number of nations during the mid 1930s. At the outbreak of war in September 1939, both Great Britain and Germany had functioning radar systems.
Radar could pick up incoming enemy aircraft at a range of 80 miles and played a crucial role in the Battle of Britain by giving air defences early warning of German attacks. The CH stations were huge, static installations with steel transmitter masts over 100 metres high.
It has been said that radar won the war for the Allies in World War II. While that's an overstatement, it is true that radar had a huge impact on how World War II was fought on both sides. ... Radar works by sending out radio waves and detecting any reflections from distant objects.
Ancient paper, which was made from papyrus reeds, was developed in 4000 B.C.E. It represented an alternative to stone tablets, chiseling rock and etching clay, since it could be folded and moved from one place to another.
It, combined with the development of the hieroglyphic writing system, helped Egypt become one of the superpowers of the ancient world, transforming the Egypician society and its culture.Through the use of papyrus, Egypcians wrote literary works, letters, financial records, prescriptions, judicial rulings, mathematical calculations and more.
The answer should be D) 5,000 and 6,000.
