Answer:
You can calculate the ratio by adding together the percentage of children (aged under 15 years), and the older population (aged 65+), dividing that percentage by the working-age population (aged 15-64 years), multiplying that percentage by 100 so the ratio is expressed as the number of 'dependents' per 100 people aged
Answer:in Indian archipelago
Explanation:
Depending what your using the river for it could be the following:
If you use it for drinking then you can run into contaminated/dirty water especially if the river is close to densely populated areas like city’s or factories as drinking this water without taking the proper precautions can get you very sick and could possibly lead to death
If you use the river for travel the speed of the current and objects that happen to be in there like sharp rock etc. this could be thing that could drown you or injure you and referring to the dirty water again if that gets into the wound then it could cause infection
If the river is used for anything else you have to remember that you aren’t the only one that needs water to survive so it can possibly a hot spot for dangerous animals and of course all of this is circumstantial
Answer:
d
Explanation:
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