9th Gr Sci Environmental Ch 4

Recycling – Collecting waste materals, processing them into new materials and selling these new products
photosynthesis – The process in which organisms use water along with sunlight and carbon dioxide to make their own food.
Chemosynthesis – A few microorganisms use chemical energy instead of light to make food
-National
-Protects workers' health. Mandates employers to provide environment safe from toxic chemicals, excessive noise levels, mechanical dangers, unsanitary conditions, etc
-Occupational Safety and Health Administration – Occupational Safety and Health Act (OSHA)
conclusion – publish results and subjects, restate hypothesis and tell whether it is accepted or rejected based on the data and why.
Element – multiple molecules; 94 naturally occuring, 24 man made
host – the organism that a parasite lives in or on in parasitism (p38)
The term used to describe the productive area of Earth needed to support the lifestyle of one person in a particular country is what? – Ecological footprint
environmental risk assessment – uses facts and assumptions to estimate probability of harm to human health or the environment that may result from particular management decisions.
National Park – are managed by the National Park System for conservation and recreation. It includes over 50 parks across the nation and many more recreational areas.
policy – a formal set of general plans and principles that guides problem solving and decision making in specific instances
What is the magnification of the four different lenses – Ocular lens: 10x
Scanning lens: 4x
Low power lens: 10x
Higher power lens: 40x
The term used to describe the productive area of Earth needed to support the lifestyle of one person in a particular country is what? – Ecological footprint
greenhouse gases – gases composed of molecules that absorb and radiate infrared radiation from the sun
hunter gatherers – people who hunt animals and gather wild plants, seeds, fruits, and nuts to survive
compost – a mixture of decaying vegitation and manure; used as fertilizer
hunter gatherers – people who hunt animals and gather wild plants, seeds, fruits, and nuts to survive

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