The graph indicates that since 1960, global average temperatures have 
Definitions:
Homeostasis
The self-regulating process by which biological systems tend to maintain stability while adjusting to conditions that are optimal for survival.
Arousal Theory
A theory suggesting that people are motivated to maintain an optimal level of arousal, which varies from one individual to another.
Maslow's Hierarchy
A theory in psychology proposed by Abraham Maslow that presents a hierarchy of human needs, from basic physiological needs to self-actualization.
Plutchik's Scheme
A psychoevolutionary theory of emotion, proposing eight primary bipolar emotions and their combinations, interactions, and variations.
Q5: Suppose a gardener puts a chemical on
Q11: What are the sources of sulfur in
Q30: What are the disadvantages to being a
Q31: Why have reptiles successfully adapted to land?<br>A)
Q33: In a mutualistic relationship, one species benefits
Q70: Ornithologists have noted that Mexican Jays in
Q72: The principle states that two species cannot
Q80: The level of environmental toxins such as
Q87: Native Americans were able to prevent the
Q90: Describe the climate in the northern coniferous