The phenomenon that causes the sound a moving
object is producing to seemingly quickly decrease its pitch as the object
passes by is called:

Is there any opitions? if you have the periodic table, the noble gases are 8a family, the halogen are the 7a family, and the nonmetal are  carbon, nitrogen, phosphorus, oxygen, sulfur, selenium, fluorine, chlorine, bromine, iodine and astatine.

Newtons laws of motion

Wikis are written or edited by someone