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Questions related from Asad Ali Khan
Most of the Africa is located in tropical region and receive lot of sunshine and day light. It is the only continent through which Equator, Tropic of Cancer and Tropic of Capricorn run. Then, why...
03 March 2020 1,779 4 View
Human body naturally has the ability to bear electromagnetic radiation but up to certain limit. Radiation beyond 500 millirems becomes harmful for human body. In current age of electronics, due to...
02 February 2020 6,286 4 View
Although several natural and human factors like climate change, crop diseases and pest attacks, farmland conversion, aridity and deficiency of irrigation water, mismanagement etc. are some of the...
02 February 2020 1,145 37 View
World population has crossed 7.7 billion. It's needs for space and resources are also rapidly growing. Human activities are expanding and their multiplier effect is deteriorating earthly...
09 September 2019 5,929 4 View
Tornados originate in some specific areas of the world more frequently during specific months of the year. These violent winds are very destructive and may cause economic and life losses. Why are...
06 June 2019 8,159 2 View
It is approximated that our earth is 4.5 billion years old but when human life started on it. Is it really started very late? If it is so then what can be the possible reasons. Scientific evidence...
03 March 2019 6,028 2 View
Several environmental problems can be seen cropping up over time round the globe like fresh water shortage, aridity, global warming, ozone depletion etc. Thus, is seems difficult to decide which...
02 February 2019 9,666 38 View
Keeping in view the increasing food needs of rapidly growing population we my need more efficient food resources in future. In this context is there any possibility of Plankton's use as human food...
01 January 2019 3,295 1 View
Humans in the world are facing many economic, social and demographic problems. Many people opine that world is not an ideal and peaceful place. Can it be made peaceful and ideal place for human...
12 December 2018 8,271 4 View
Human population and human activities are expanding rapidly on land area with the passage of time. Consequently farmland is shrinking. On the other food demands are also increasing day by day. To...
12 December 2018 1,976 10 View
Several areas of the world are currently facing problem of farmland conversion in to non-farm uses and it seems they may face the problem of adequate food supply to the expanding population. Thus...
11 November 2018 6,556 1 View
Some people believe that world is passing through a transition in terms of climate change. All over the globe climate is changing and it may affect our environment at a large scale. But is there...
10 October 2018 8,066 7 View
The past population estimates and existing data demonstrate that world population continued to grow since its origin to date. Extremely high rate of growth has been observed during the second half...
09 September 2018 264 13 View
Some experts believe that despite the extensive work of geomorphic/degradation processes on their surface Himalayas are rising few centimeters every year. If it is true then what are the...
09 September 2018 5,673 1 View
Pakistan is sixth biggest country in the world with rapidly growing population and need hundreds of tons of additional food each year to cope needs of added population. On the other hand it is...
06 June 2018 7,962 1 View
Which method or formula we can use to calculate excess unwanted fertility?
11 November 2015 522 2 View
Which formula and what kind of data we can use to calculate singulate mean age at marriage?
11 November 2015 2,180 1 View
