Question

Calculate the birth rate. If there are 30 plants in pond and next year 12 new plants are

added.

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Answer 1

Explanation:

i think its 37% tnx my ans

Answer 2

Answer:

given = 30 plants ...initial

             12 new plants .....after one year added

to find =  birth rate

solution

             birth rate = 12/30

             birth rate =  0.4

the birth rate. If there are 30 plants in pond and next year 12 new plants are  added is 0.4 per year