Answer: A) Economic resources are limited. Explanation: Economic resources are those goods and services that can be converted into valuable products for individual and business purposes. There are four major types of economic resources: 1. land, 2. labor, 3. capital and 4. entrepreneurship.   Land and labor are natural and human resources, while capital means physical resources or money. Entrepreneurship converts these resources into usable goods.   However, resources have finite values, and proper utilization depends on economic systems and economic decisions.

(1+9+6+8+3) x (1+9+6+8+3) x (1+9+6+8+3) = 19683

If the Multiples for two or more numbers which are Common, then those Multiples are said to be Common Multiples.    For Example : Multiples of 3 are 3, 6, 9, 12, 15, 18, 21, 24, 27, 30,... Multiples of 5 are 5, 10, 15, 20, 25, 30,... Here common multiples of 3 & 5 upto 30 are 15, 30.

Answer: D) All the above Explanation: Fractional reserve banking is the practice whereby a bank accepts deposits, makes loans or investments, but is required to hold reserves equal to only a fraction of its deposit liabilities. Fractional reserve banking is a banking system in which only a fraction of bank deposits are backed by actual cash on hand and are available for withdrawal. This is done to expand the economy by freeing up capital that can be loaned out to other parties.

Answer: B) Photosynthesis Explanation: Photosynthesis process removes carbon dioxide from the atmosphere. Green plants remove carbon dioxide from the atmosphere by photosynthesis.  The level of carbon dioxide in the atmosphere is maintained by several processes, including photosynthesis, respiration and combustion.

Answer: B) Acting Explanation:

Answer: D) All of the above Explanation: A metalloid is any chemical element which has properties in between those of metals and nonmetals, or that has a mixture of them. The six commonly recognised metalloids are boron, silicon, germanium, arsenic, antimony, and tellurium.