Well, if you are too weak to give birth you could die. You need to be healthy and fit or the baby may be sick or have some physical or mental problems. After 8, I have no clue. For number 13, some light Yoga is probably good for a pregnant woman. You could use google. Good luck!
Answer:
The character of sickle cell anaemia does not get fixed in the population Because it has more disadvantages than advantages
Explanation:
Any character will get fixed in the population if the character provides the progeny certain advantage to reproduce better.The rate of malaria infection is low, but such people may have breathing difficulties and organs may fail due to the wrinkled RBC's not able to flow smoothly in the arteries and hence causing blockages. the character may be recessive but again the amount of oxygen carried per healthy RBC is less and that makes breathing difficult . so as a character its a disadvantage for the person who is a career and hence not being selected to be fixed.
You need to give some of the options that are given to you
Do you have a picture of the diagram?