It could be either Carbon has 4 valence electrons and can form many other molecules, or that it has the ability to form a variety of single, double and triple bonds. Both are true and both show complexity of organic compounds.
They serve to transport ova from the ovaries to the uterus; they are also the locus for fertilisation of the ovum by sperm.
Explanation:
The Fallopian (or uterine) tubes are two tubes that extend from the uterus towards the ovaries.
Low concentration to high concentration and requires energy
The answer to the above question is A. CL:A. I hope that this is the answer that you were looking for and it has helped you. Have a nice day.
