Homework Help: 6th grade science

Posted by johnnetta on Tuesday, January 13, 2009 at 11:49pm.

1. earth has only a limited amount of land, yet land is a renewable resource, why?
2. trees are renewable resources, but some forests are not, why?
3. compare and contrast minerals and ores.
4. how could using ores contribute to an increase in air pollution?

6th grade science - Dr Russ, Wednesday, January 14, 2009 at 7:07am
You are more likely to get a response if you post one question at a time and if you have had a go at answering it your self. We are not here to do the homework for you.

[The] e[E]arth has only a limited amount of land, yet land is a renewable resource, why?
You might find this helpful
http://www.eco-pros.com/renewableresources.htm
6th grade science - jazmine, Wednesday, January 14, 2009 at 7:50pm
how much thermal energy produced by burning gasoline is converted ino kinetic energy?
6th grade science - Lavonne, Tuesday, August 25, 2009 at 11:27pm
calculate how many grams of chloride ions are present in 50 grams of ocean salts.

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