The person given credit for the first modern atomic theory was John Dalton. For him, all of the objects present is made up of atoms and that these atoms cannot be destroyed and divided. Also, in this theory, compounds are made up of having two or more atoms that are combined. Although this has been the very first and old theory, it is still valid in modern chemistry.
You can grow very tired if you are not used to it at first. Later on in life your body should adapt to this change. I’ve read that even though we are told to sleep for 8-9 hours a day, those hours are meant to be separated through out the day. On the other hand, everyone’s body is different so it can vary between person. Hopefully this helps.
A test subject i think but idk
Answer:
Because some radiation can hurt your body. For example sun radiation, it can cause skin cancer and hurt you. Other radiation doesn't hurt you because it might have low-energy photons. The higher the energy, the stronger the radiation is.
