<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>
3 I think, IM SORRY IF IM INCORRECT! GOOD LUCK
Answer: Explanation:
Sickle hemoglobin differs from normal hemoglobin by a single amino acid: valine replaces glutamate at position 6 on the surface of the beta chain. Therefore the red blood cell bends differently giving it a sickle shape
A physical characteristic of a fish would be B) Fins.
The branch of astronomy that deals with the study of the universe including its origin and evolution is the branch, cosmology. This is a scientific approach to study the large scopes and scales properties of the whole universe.
