earth sciences

Question 83786 asked on 2011-08-24 10:10:02

How many tonnes of 3/4" gravel will it take to cover 1320 sq. ft. area four inches thickness?

Question 83956 asked on 2011-09-01 11:26:17

Hello, As Environmental Coordinator at Lafarge Canada Inc. in Calgary, I'm currently working on a project to create a large sign kiosk at Lafarge Meadows in Fish Creek Provincial Park. I'm trying to find a life cycle diagram of the aggregates mining industry (animated) that shows the life cycle from production to reclamation (to which I will add verbage detailing the various stages). Any help you can provide me with would be greatly appreciated. Kind regards, Alida Steele

Question 84060 asked on 2011-09-06 13:18:06

What are the names of the Coal Mines that were in the Morinville area?

Question 84724 asked on 2011-10-05 16:06:36

are decomposed fossil fuels a renewable energy source?

Question 84799 asked on 2011-10-09 14:55:13

WHY do scientists research snow

Question 86686 asked on 2012-01-19 14:03:41

What is the name for a group of butterflies?

Question 86906 asked on 2012-01-28 07:54:36

what is the place of high temperature

Question 86965 asked on 2012-01-30 14:30:59

How can there be high tide twice per day? I thought tide was controlled by the moon, and it only goes past us once per day. And what's a supertide?

Question 86984 asked on 2012-01-31 09:44:14

How many (if any) animals became (are presumed to be) extinct in the year 2011? Were there any animals thought to be extinct that were rediscovered in 2011?

Question 87069 asked on 2012-02-03 08:24:46

What island or town is the farthest from Edmonton on Earth, on the opposite side of the Globe? What's distance from Edmonton to this place?

Question 87190 asked on 2012-02-07 16:21:01

i need 2 know the weight of the earth before the heoman and now is same