Source B is more credible because it is from a government site, so it is meant to inform. It has a quote that shows drones are in debate.
At first look, the sources seem similar. They both were written around the same period and the URL appears almost identical. However, it is important to notice that source A is from a website ending in ".net," while source B ends in ".gov." Government websites are always more credible than a website ending in ".com" or ".net." Also, source A has advertisements, which means it is mostly for entertainment. In comparison, source B has a quote from President Obama. Since the research is about the invention of drones and their controversial uses, source B is also more helpful since the title specifically mentions the rules and misuse of drones.
1. 30,000
2. Old stone age
3. 30,000 to 10,000 BCE
4.<span>These structures were constructed in many areas of the world by many different cultures
5.A</span><span>fter the Paleolithic Period
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A glacier is a persistent body of dense ice that is constantly moving under its own weight; it forms where the accumulation of snow exceeds its ablation (melting and sublimation) over many years, often centuries. Glaciers slowly deform and flow due to stresses induced by their weight, creating crevasses, seracs, and other distinguishing features. They also abrade rock and debris from their substrate to create landforms such as cirques and moraines. Glaciers form only on land and are distinct from the much thinner sea ice and lake ice that form on the surface of bodies of water.
The answer to this question if False
B. <span>The use of oil paints to create highly realistic details.
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The Northern International style was characterised by detail and symbolism within the object, the concern for both accuracy and great detail was their primary concern; this was a Gothic Style in Medieval art, it's imagery was predominantly religious and eventually gave way to the Early Renaissance style of painting and sculpture.