C10 Using Resources Flashcards
reusing..
..refers to lengthening the life of an item by using it for a different purpose
recycling..
..is the process of collecting and processing materials that would otherwise be thrown away, and turning them into new products
sustainable development is..
..development that meets the needs of the current generation without compromising those of the future generations
finite resources are..
..resources that are limited
renewable resources are..
..resources that can be used repeatedly over time + does not run out
a life cycle assessment..
..calculates the environmental impact of products or services through their entire life span.
the four stages of a LCA is:
1) extracting and processing the materials
2) manufacturing and packaging the product
3) using the product
4) disposing the product
potable water is..
water that is safe to drink
the three criteria for potable water is:
1) pH of 6.5 - 8.5
2) contains no micro-organisms
3) has low levels of dissolved substances
freshwater is..
seawater is..
groundwater is..
surface water is..
pure water is..