Answer:
1. primary source materials.
2. historiography
Explanation:
Hey there!
When Columbia re-entered the Earth, the hot gases in the atmosphere (atmospheric gases), they destroyed the wings and it ultimately was destroyed. That technically means that the spacecraft wasn't shielded correctly, and led to a tragedy as well as major rethinking and reform for NASA.
That's why today, you see that all spacecraft are carefully tested and monitored before put into orbit.
Hope this helps!
Answer:
Ads.
Explanation:
Ads used by the advertisers to get attention of the consumers to buy new products because the ads attract the consumers by providing information to the consumers. In these ads, benefits of the product is mentioned so for that benefits people used the products that is seen in the ads so ads is the only way to attract consumers towards the new products and make profit from them.
Answer:
Option B, Gold, is he right answer.
Explanation:
Virginia was the first state in the nation that produced gold and become a resource for gold. The earliest evidence of gold are dated back to the year 1782 when Thomas Jefferson reported on a rock bearing the gold.
The first lode deposit of gold was found at the Whitehall Mine in Virginia in 1802. Moreover, in the years between 1804-1947 about 100,000 troy ounces of gold was produced in Virginia.
So the country doesn't kill itself ......
