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An assertion and a reason are given below. Assertion: The phenomenon of nuclear fission generates great energy. Reason: The process in which a nucleus is broken into two parts is called nuclear fission. Choose the answer. A. Both Assertion and Reason are true and Reason is the correct explanation of Assertion. B. Both Assertion and Reason are true but Reason is not the correct explanation of Assertion. C. Both Assertion and Reason are false. D. Assertion is true but Reason is false.
Mr. Justin wanted to test his students' understanding of the 'nature of weekly markets from a seller's point of view'. Which of the following questions are suited to test this? i. Can a weekly market address all the needs of a family? Why or why not? ii. Compare and contrast the characteristics of a weekly market and a permanent shop. iii. Are you likely to find a well-known brand as part of a weekly market? Why or why not? iv. Can any seller increase their price a lot compared to other sellers in a weekly market? Why or why not?
Pavan and Sravan are two persons. If Pavan works with his actual efficiency and Sravan twice of his actual efficiency then it takes 25 days to complete the work. But If Pavan works twice of his actual efficiency and Sravan with his normal efficiency then the work is completed in 20 days. How many days would it take if Sravan alone works with his actual efficiency (in Days)?
In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives. People may see, and hear, and feel all their lives without ____________ learning the nature of things they see. But reason is the mind's eye, and enables us to see why things are, and when and how events may be made to happen ___________ not to happen. The logician endeavours to ____________ exactly what this reason is which makes the power of men. We all, as I have said, must reason well or ill, but logic is the science of reasoning and enables us to distinguish ______________ the good reasoning which leads to truth, and the bad reasoning which every day betrays people into error _________ misfortune. logician endeavours to ____________ exactly what this reason
When pure carbon is burned in air, some of it oxidizes into CO2 and some to CO. The molar ratio of N2 to O2 is 7.18 and the ratio of CO to CO2 is 2.0 in the product gas. What is the percent excess air used? The exit gases contain only N2, O2, CO and CO2.
A passage with three blanks,followed by five options, each containingone word, is given. Choose the word thatcan fill all the three blanks.
Emission ____________ are the legalrequirements governing air pollutantsreleased into the atmosphere. Emission___________ set quantitative limits onthe permissible amount of specific airpollutants that may be released fromspecific sources over specifictimeframes. They are generallydesigned to achieve air qualitystandards and to protect human life.Many emissions ____________ focus onregulating pollutants released byautomobiles (motor cars) and otherpowered vehicles. Others regulateemissions from industry, power plants,small equipment such as lawn mowersand diesel generators, and other sourcesof air pollution. While this have beenused to dictate limits for conventionalpollutants such as oxides of nitrogen andoxides of sulphur (NOx and SOx), thisregulatory technique may be used toregulate greenhouse gasses, particularlycarbon dioxide (CO2). In the US, this isgiven in pounds of carbon dioxide permegawatt-hour (lbs. CO2/MWhr), andkilograms CO2/MWhr elsewhere.
The CO2 emissions in million metric tons over 3 years are given in the following table. Year Domestic CO2 emission 2015 100 2016 110 2017 150   What is the increase in the percentage of CO2 emission from the year 2016 to 2017?
জলজ উদ্ভিদে সালোকসংশ্লেষণের হার বেশি কারণ-i. পানিতে CO2 এর পরিমাণ 0.3%ii. সকল অঙ্গ CO2, শোষণ করতে পারেiii. CO2, ও O2, এর পরিমাণ সমাননিচের কোনটি সঠিক?
জলজ উদ্ভিদে সালোকসংশ্লেষণ হার বেশি কারণ-i. পানিতে CO2 এর পরিমাণ 0.3%ii. সকল অম্ল CO2 শোষণ করতে পারেiii. পানিতে , ও CO2 এর পরিমাণ সমাননিচের কোনটি সঠিক?
গ্রিন হাউজ গ্যাসসমূহ হলো-i. CO2 CH4, O2ii. CO2 CH4 N2Oiii. CO2 O2 N2Oনিচের কোনটি সঠিক?