Answer:
Consciousness is the awareness of INTERNAL and EXTERNAL stimuli; often described as a continuum ranging from full awareness to deep sleep.
Explanation:
Internal stimuli include pain, hunger, thirst while external stimuli include light, sound.
Variation of consciousness is seen in different physical states ranging from full alertness to deep sleep. This is controlled by the biological clock, the circadian rhythm.
Answer:
you meant what are the main sources
they are: fossil
clean energy
energy storage
hydrogen& fuel
electric power
Portugal my dude, Portugal is the answer <span />
I think either C or B could be the answer
Answer:
endothermic
Explanation:
The difference between an endothermic and exothermic reaction is that heat is released in an exothermic, while an endothermic involves absorbing energy from the surroundings. It is all in the prefixes exo and endo.