There are approximately 4000 different minerals and each of those minerals has a unique set of physical properties. These include: color, streak, hardness<span>, </span>luster<span>, diaphaneity, specific gravity, </span>cleavage<span>, fracture, </span>magnetism<span>, </span>solubility<span> and many more. These physical properties are useful for identifying minerals.
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The correct answer is - B. 9%.
The United States, even though are one of the biggest investors in the development of usage of renewable energy, are still not very willing to use them as much and are mostly sticking to the nonrenewable energy resources. This is mainly due to the economic factor, and the United States are not a country that accepts any downfall in its economy, especially not if it doesn't have to. This also causes a lot of controversy because it is damaging the environment, and while lots of developed countries are focusing on the usage of the renewable energy resources, the United States refuse to do so even though they are one of the two biggest polluters in the world.
20. is Memphis Tennessee
21. is Knoxville Tennessee
<u>Answer</u>:
Globalisation makes the world shrink and flatten it in all sectors.
<u>Explanation</u>:
In the ancient and medival world, only labours were allowed to travel between the countries. IT revolution paves its way for the jobs to be exchanged between the countries and it leads to service growth in the developing countries.
After social media's tremendous growth, information gets transferred easily through various social media platforms. Knowledge and technology transfer between the countries generates more employment even in the under developed areas. India gained a generous amount of software and BPO jobs from the developed countries to increase their GDP since 1990s.
