Which process would best represent the opposite of exhausting air from a system?

Cooling process.

The process of exhausting air from the system is ventilating. The opposite of ventilating is cooling. The roof top units mounted above are efficient in performing various functions such as ventilation, cooling, heating, and many more. There is no much difference between cooling and ventilation systems. In fact, these two go hand in hand. Ventilation is most energy efficient and least expensive way to cool buildings.

okay, so i know we just goofed around in that chat, but ive been like genuinly depressed, like medically depressed for almost 4 years now. i had my first panic attack when i was 8. i woke my mum up and told her i felt like i was in a dream. like i was a goldfish in a bowl, looking at all these things going on around me and feeling . tiny. wort hless. and i now am now 17 y/o. i still feel those emotions daily. life used to go by so quick.like every day i would wake up and just like want to go back to bed cause i always felt like i was in the wrong place. i guess looking back, i was in the wrong state of mind. i took a expensive like nice trip to whyoming with my grandfather and ha ted it. like idk why. i would have loved it now, but i found myself writing in a journal everyday because i would forget what happened the day before, couldnt remember what i ate for like the previous meal. just my memory left me for the week i was there. worst feeling ive ever experienced.

answer is c. complication