Psychologists would be most likely to compare consciousness to a "raft traveling along a river" hence the saying "stream of consciousness". If the raft is us and the river is consciousness, part of us is submerged in consciousness, but most of us is not, which presents the vast subconscious mind. Hope this helps!
B. The air you breathe.
Because the rest of the choices are not environmental factors. Gang activity, and access to jobs and education are not environmental because environment are things about the world.
Answer:
Thousands of years back people were mostly hunters and gatherers. Thus, they used to eat raw meat and vegetable since they didn't know anything about cooking raw food in fire. After discovering about cooking raw meat and vegetables in fire is when new dishes and inventions came about.