<span>The question says,'menstruation does not occur if the ............ The correct option is D. The uterine lining usually build up in order to serve as a bed and support for fertilized a egg. If fertilization does not occur, the uterine lining breaks down and come out as menstruation, but if fertilization occurs, then the uterine lining will not break down but will support the fertilized egg all through the pregnancy period.</span>
Answer:
Carbon is the primary component of macromolecules, including proteins, lipids, nucleic acids, and carbohydrates. Carbon's molecular structure allows it to bond in many different ways and with many different elements.
Explanation:
Chemichal is like you burn wood I can't get it back u bake a cake you cant get the eggs the milk and all that stuff back && physical is I really don't know a good example but it's the opposite of that
Protons electrons are stored making helpful neurons
The answer is "All of the above".
