Neurons, nervous tissue, brain, central nervous system, human being
Answer:
i think its the first one sorry if its wrong
Explanation:
When they come into contact with each other they are attracted to each other and the orientation matters because the Hydrogen of one molecule will align with the Oxygen in another water molecule.
The problems that will receive priority are the physiological needs such as air, food and water.
Maslow's hierarchy of needs is a theory in psychology which organizes people's needs according to their priorities. It is represented as a pyramid with five steps which include: physiological(at the base), safety, belongingness, esteem and self actualization.
The physiological needs at the base of the pyramid are the first priorities.
Environment, predators, and natural selection.
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