Friday
August 1, 2014

Homework Help: Science

Posted by Lily on Thursday, December 19, 2013 at 9:59pm.

A persistent organic pollutant is estimated to have a half-life of 30y. If 3 tonnes of the chemical exists in a polluted area today, how much of the chemical will remain after 120y.

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

science - Why is it sometimes difficult to make connections between poor water ...
science 207 - chronic asthms when caused by air p[ollution is ,most likely due ...
math - The cost, in millions of dollars to remove x% of pollution modeled by c=...
Algebra - 1. The cost, in millions of dollars, to remove x % of pollution in a ...
ALGEBRA - 1. The cost, in millions of dollars, to remove x % of pollution in a ...
ALGEBRA 117 - 1. The cost, in millions of dollars, to remove x % of pollution ...
Science - In a wheelbarrow, you have 2 kilograms of soil for your garden. If 8 ...
Organic substances - Is adhesive tape organic or inorganic? Also are shoes ...
9th grade SCIENCE - I have to list 5 different organic compounds; list different...
Algebra - The cost, in millions of dollars, to remove x % of pollution in a lake...

Search
Members