Anaerobic means with out oxygen
The answer is concentration gradient. Have a good day.
The immune system helps guard against infection, protect from UV radiation, and regulate body temperature.
Volume - the amount of something in a three-dimensional area.
Meniscus - the curve that a liquid makes at the surface from surface tension.
I measured the volume of water in the container.
The water formed a meniscus near the top of the container.
Think of it this way:
DNA inside cells store all the genetic information on a person's looks, eye colour, hair colour etc. It makes them unique. The analogy of being like books in a library basically suggests that in a library there is so much information and every book is different with different knowledge... That's basically what DNA is; millions of different information things.