A200- gram sample of a radioactive nuclide is left to decay for 30 hours. at the end of 30 hours only a 100 g of the sample is left. what is the half life of the nuclide sample

30 hours. that's when half of it's mass is left

enzyme speed up the reactions

correct answer: understand the different control methods available

integrated pest management is an strategy that is based on the ecosystem and try to prevent the pest and the damage caused by them by applying combination of technique like habitat manipulation, biological control and use of resistant varieties.

the main aim of the integrated pest management is not to completely eliminate the pest but to strengthen the ecosystem so that conditions are favorable for plants and unfavorable for pests.