The size shapes and arrangements of mineral grains in an igneous rock is known as texture or rock microstructure. It refers to the components found on a rock and how a rock is composed. The texture of an igneous rock varies differently; it can be either crystalline, fragmental, or glassy.
Answer:
A. They are extremely difficult to extinguish because fuel obviously is abundant and oxygen can enter easily, even through joints in surrounding rock.
Explanation:
Coal bed fires refers to spontaneous combustion which are triggered by human activity (mining), lightning, wildfires etc.
This usually happen underground when the coal beds are exposed to oxygen as a result of mining activities or human induced fires or combustion.
1. What happened in 1683?
Answer: The defeat of the Ottoman Army outside the gates of Vienna is usually regarded as the beginning of the decline of the Ottoman Empire. In the summer of 1683, the main army of the Ottoman Empire, a large and well-equipped force, besieged Vienna. ...
2.How is Japan connected to Taiwan history?
Answer: Japanese Taiwan was the period of Taiwan and the Penghu Islands under Japanese rule between 1895 and 1945. Taiwan became a dependency of Japan in 1895 when the Qing dynasty of China ceded Taiwan Province in the Treaty of Shimonoseki after Japanese victory in the First Sino-Japanese War.
3. Why is 1947 o significant year for Taiwan?
Answer: the surrender of Japan at the end of World War II, the island of Taiwan was placed under the governance of the Republic of China (ROC),[a] ruled by the Kuomintang (KMT), on 25 October 1945. Following the February 28 massacre in 1947, martial law was declared in 1949 by the Governor of Taiwan Province, Chen Cheng, and the ROC Ministry of National Defense. Following the end of the Chinese Civil War in 1949, the ROC government retreated from the mainland as the Communists proclaimed the establishment of the People's Republic of China
4. What are TWO Ways the education systern in Taiwan
Answer: Two years of pre-school education.
Six years of elementary (primary) school; grades one to six.
Three years of junior high school; grades seven to nine.
Three years of senior high school, or vocational education; grades ten to twelve.
Astronomical unit is that the average distance from the planet to the Sun, just about a hundred and fifty million klick. At its nighest purpose, Saturn is nine AU, then at its most distant purpose, it's 10.1 AU. Saturn's average distance from the Sun is 9.6 AU.
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