Answer:
Explanation:
The arousal theory of motivation suggests that we are always looking for different activities that allow us to maintain an optimal level of psychological arousal. If Jim and Mariee want to keep their level or arousal, they will look for an activity that implies physycal movement an, maybe, some sort of risky feelings, for example, running on the streets at night or climbing some tree. If they want to lower their level of psychological arousal, they will do something that doesn't imply that much risks or moving, for example, playing cards, watching a movie, etc.
Answer:
a biological community of interacting organisms and their physical environment.
"the marine ecosystem of the northern Gulf had suffered irreparable damage"
(in general use) a complex network or interconnected system.An ecosystem is a geographic area where plants, animals, and other organisms, as well as weather and landscape, work together to form a bubble of life. Ecosystems contain biotic or living, parts, as well as abiotic factors, or nonliving parts.
"Silicon Valley's entrepreneurial ecosystem"
There are two types of ecosystem: Terrestrial Ecosystem. Aquatic Ecosystem.
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<span>A. The United States would prevent future European colonization in the western hemisphere.</span>