This tells us what the graph is about (page 7)
Title
The study of life (page 17)
Biology
When a large portion of a resource has been used up
Resource depletion
Biosphere
Heated liquid water rises into the atmosphere as water vapor
Evaporation
A skeleton or globe are examples of (page 8)
Physical Models
The study of matter and energy
Physics
Broken down by natural processes
Biodegradable
78% Nitrogen, 21% Oxygen, 1% Other
Atmosphere
Water evaporates from plants into the atmosphere
Transpiration
Weather forecasting and pandemic predictions use (page 8)
Mathematical Models
The study of human social behavior and culture
Sociology
When individuals use a shared resource in their own self-interest instead of the common good
Tragedy of the Commons
Water, rivers, lakes, oceans, ponds
Hydrosphere
Water vapor condenses backinto liquid droplets
Condensation
Environmental Science
The study of human population dynamics and statistics
Demography
Resources that are replaced relatively quickly
Renewable resources
Ground, rocks, soil, minerals, lava
Geosphere
Rain, snow, sleet, hail
Precipitation
The study of energy, motion, and forces
Physics
The study of microorganisms
Microbiology
Resources that form more slowly (fossil fuels)
Nonrenewable resources
Permafrost, glaciers
Cryosphere
Ice is converted directly to a gas without becoming a liquid
Sublimination