Are typically thought to be the building blocks; is thought to be the order and meaning imposed upon those basic elements.

c) sensations;perception

Explanation:

Sensations are typically thought to be the building blocks; perception is thought to be the order and meaning imposed upon those basic elements

Sensations are a result of external stimuli from our environment while perception is the process of organizing and interpreting sensory information (sensations), perception is simply the process of turning sensations into useful information.

the first question's answer is a.

i believe

clean air is essential for health and survival

clean air provides nitrogen gas for plant respiration

clean air supplies oxygen that enables living organisms to breathe

hope this

i am brianly

sorry if this doesn't