The pain-controlling chemicals in the body are called endorphins.
I wouldn't say that many chemicals occur naturally in the air, however Oxygen and Nitrogen are the two main gases that make up the Earth's atmosphere.
Metals occur naturally in solid state.
94 kinds of atoms occur naturally on earth
"Synthetic" could be another word for something that does not occur naturally.
Many minerals occur naturally on the earths surface in rock form
I wouldn't say that many chemicals occur naturally in the air, however Oxygen and Nitrogen are the two main gases that make up the Earth's atmosphere.
There are 92 naturally occurring elements on Earth.
Many artificial sweeteners are known today.
Rivers are not built, they occur naturally, so there is no year that the river Lee was built.Rivers are not built, they occur naturally, so there is no year that the river Lee was built.Rivers are not built, they occur naturally, so there is no year that the river Lee was built.Rivers are not built, they occur naturally, so there is no year that the river Lee was built.Rivers are not built, they occur naturally, so there is no year that the river Lee was built.Rivers are not built, they occur naturally, so there is no year that the river Lee was built.Rivers are not built, they occur naturally, so there is no year that the river Lee was built.Rivers are not built, they occur naturally, so there is no year that the river Lee was built.Rivers are not built, they occur naturally, so there is no year that the river Lee was built.Rivers are not built, they occur naturally, so there is no year that the river Lee was built.Rivers are not built, they occur naturally, so there is no year that the river Lee was built.
Metals occur naturally in solid state.
Astatine is an element that does not occur naturally in large quantities on Earth.
There are 118 known elements. The first 92 or so occur naturally.
94 kinds of atoms occur naturally on earth
Yes, radio waves occur naturally in the environment as a form of electromagnetic radiation.
boron
it dont
yes,it does