What is one sign that indicates a phisical change

Read each description below and determine to which stage of sleep each pertains. then click and drag each box into the appropriate category below.

Why did the federal government end its support of yucca mountain as a site for long-term storage of nuclear water

The diagram shows the development of the oocyte and the follicle during the menstrual cycle. identify at which stage in the cycle the hormone levels are at their highest and most active.