Anaerobic environment. Anaerobic is a term used to describe a situation that lacks oxygen, or an organism or process that requires the absence of oxygen.
ANAEROBIC ENVIRONMENT GRAPHICS
Anarchism is a term used to describe a social philosophy that advocates voluntary associations among people as a form of self- government, as opposed to central governments dominated by a monarch or other central figure. It signifies the condition of being without rule.
Anthropocentrism is a term used to describe our human-centrism” or “speciesism,” not unlike “racism,” “ageism,” or “sexism”.
Anthropogenic climate change
ANTHROPOGENIC CLIMATE CHANGE DIAGRAM