I'm pretty sure its limestone, if not, then its sandstone
Answer:
glass like.
Explanation:
Like obsidian, if you break it it will be really sharp.
Answer:
It demonstrates the role that Islam played in the rise of large, powerful civilizations in Africa.
Explanation: Islam has played a massive role in North african countries economies. Less Corruption and egypt is one of those 3rd world countries that is moving up in level faster than any other african country
Once had the highest deforestation rate in the world and in 2005 still had the largest area of forest removed annually.[1] Since 1970, over 700,000 square kilometers (270,000 sq mi) of the Amazon rainforest have been destroyed. In 2012, the Amazon was approximately 5.4 million square kilometres, which is only 87% of the Amazon's original state.[2]
Rainforests have decreased in size primarily due to deforestation. Despite reductions in the deforestation rate over the last ten years, the Amazon rainforest will be reduced by 40% by 2030 at the current rate.[3] Between May 2000 and August 2006, Brazil lost nearly 150,000 km2 of forest, an area larger than Greece. According to the Living Planet Report 2010, deforestation continues at an alarming rate. But at the CBD 9th Conference, 67 ministers signed up to help achieve zero net deforestation by 2020.