Abiotic-Biotic
Matter and Energy In Ecosystems. 3 Ecosystem Necessities Recycling of Matter (nutrient cycles). Flow of Energy (food chain). Gravity (keeps everything.
APES Ch. 3 Notes Science, Systems, Matter, and Energy.
Energy and the Environment Matter Quality Matter quality is a measure of how useful a matter resource is, based in its availability and concentration.
_____% of our waste comes from from mining, oil & gas production, agriculture, industrial production (scrap metal, plastic, etc.)
