Answer:
F stands for feather R stands for red and W stands for white.
Explanation:
The examination or observation of one's own mental and emotional processes.
The right answer is HEPA filter.
A HEPA filter (High Efficiency on Particles Air) can filter up to 99.97% of 0.3μ aerial particles.
These filters are used to clean the air and retain suspended particles (dust, pollen, bacteria etc.) and other particles that can cause respiratory allergy in sensitive subjects.
They are very used in sterile rooms
Answer:
I can't see your questions
Answer:
I guess the correct answer is option B
