The answer should be physical.
For example, when water freezes, or melts, or boils, it's a physical change with temperature. However, correct me if I'm wrong.
Hope this helps :)
Answer:
usually once a month
Explanation:
The full moon is the lunar phase when the Moon appears fully illuminated from Earth's perspective. This occurs when Earth is located between the Sun and the Moon (more exactly, when the ecliptic longitudes of the Sun and Moon differ by 180°).
they all have cells and dna
The skeletal system stores most of the body's calcium. The skeletal system includes bones and teeth. Small portions of calcium are stored inside blood and muscles, yet they aren't <em>used </em>to store calcium. This means that the answer is C. Skeletal system.
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~Just a girl in love with Shawn Mendes
There are many theories about why living thins sleep, however, scientists are still unsure about what the answer to this question may be. Some say it is because of its restorative powers - after a good night's sleep, you feel rested, and all your brain and bodily functions work better than when you are exhausted. During sleep, some rejuvenating and growth hormones are created, which again adds to our advantage. You also relieve stress that has accumulated during the day. These are some of the reasons why we have to sleep.
