Biology, 30.11.2019 07:31 michaelwthms
The population of the planet magrathea doubles every 40 years. in the year zero the population was 20 million. the total land area of magrathea is 200 million square kilometers. one square kilometer of land can house 200 magratheans. land that is not used for housing is used for agriculture. write down an equation whose solution is the year in which there are 30 m2 of agricultural land available for each inhabitant. solve this equation.
Answers: 2
Biology, 21.06.2019 22:00
Consider darwin's first writings on the theory of natural selection. an important point of darwin's essay on the principle of population, written in 1798, was a peer's observation that in nature plants and animals produce far more offspring than can survive, this observation can be attributed to a) charles lyell. b) thomas malthus. c) jean-baptiste lamarck. d) johann friedrich meckel.
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Biology, 22.06.2019 06:50
Drag the tiles to the correct boxes to complete the pairs. match the nitrogenous base of dna with its complement.
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Biology, 22.06.2019 15:00
First described the system of fingerprint ridges and spirals, which eventually were used for fingerprinting. a.) fare and fidelis’s pathology b.) dr. calvin goddard c.) hans gross d.) marcelo malpighi e.) leeuvenhoek’s microscope
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The population of the planet magrathea doubles every 40 years. in the year zero the population was 2...
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