Answer: Healthcare/access to health care/medical technology/ability to fight or prevent disease. Availability of birth control/availability of family planning education/use of birth control. Political and/or economic stability/government stability/war. Food availability/quality/production.
Explanation:
Well... I think you meant oxygen, and it happens in the leaves or the stomata, they open up during the day and close during the night.
A sex-linked trait is a trait that is carried by the X chromosomes in females but it is not expressed(the phenotype). Females are only carriers because they have two copies of the X chromosome [one of them carries the trait and the other does not]. Males who inherit one copy of the X chromosome often get the trait (because the trait is in either one copy or the other of the X chromosome) and express it while their Y chromosome would became recessive. Thus, only males express sex-linked traits such as hemophilia or color blindness
depends bc i have conflicting thoughts on it like safety, fame, etc. but probably not....