Convection currents do not 1 p
have any significant effect on
weather & climate.
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snnsbs sns sbsnsnanaaa s s snsnakakajna 1. A survey was conducted by a group of students as a part of their environment awarenes
programme, in which they collected the following data regarding the number of plants in
20 houses in a locality. Find the mean number of plants per house.
Number of plants
0-2
2-4
4-6
6-8
8-10 10-12 12-14
Number of houses
2
1
5
6
2
smsn zsjj
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