41. Deforestation generally decreases
42. Detritus food chain starts from
43. Earthworms and bacteria are called
44. 5th June is observed as
45. Eutrophication means
46. Example of omnivores is
47. Food chain always starts with
48. Formation of ozone is
49. Hydrosphere includes
50. Important abiotic factors in ecosystems include which of the following?
USA - United States of America Canada United Kingdom Australia New Zealand South America Brazil Portugal England Scotland Norway Ireland Denmark France Spain Poland Netherland Germany Sweden South Africa Ghana Tanzania Nigeria Kenya Ethiopia Zambia Singapore Malaysia India Pakistan Nepal Taiwan Philippines Libya Cambodia Hong Kong China UAE - Saudi Arabia Qatar Oman Kuwait Bahrain Dubai Israil and many more....