Photoplethysmography is used to track of heart rate during a workout
1) Social equality, harmony are necessary for human health. 2) Public cleanliness or sanitation or hygiene is very important for individual health. Hope this is helpful to you
Two groups of organisms that help with biodegradation are fungi and bacteria
Answer:
b, c, d
Explanation:
it makes it smell better, adds flavor to it and keeps it fresh for a longer time.
