Answer:
The average menstrual cycle is 28 days long but can vary from 24 to 38 days. If a menstrual cycle is shorter, a person can have a period more than once a month.
An atmosphere is a layer of gas or layers of gases that envelope a planet, and is held in place by the gravity of the planetary body.
This happens due to geologic uplift and the erosion of the rock and soil above them. At the surface, metamorphic rocks will be exposed to weathering processes and may break down into sediment. These sediments could then be compressed to form sedimentary rocks, which would start the entire cycle anew.
