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What element does not occur naturally on earth?
Astatine is an element that does not occur naturally in large quantities on Earth.
What state of matter do halogens naturally occur in?
Halogens naturally occur in the gaseous state. Examples of halogens are fluorine, chlorine, bromine, iodine, and astatine.
How many known elements are there on earth are naturally made?
There are 92 naturally occurring elements on Earth.
Are most of the actinides occur naturally in earth's crust?
No, most of the actinides do not occur naturally in Earth's crust. Actinides are a group of elements that are mostly synthetic or man-made through nuclear reactions. Only a few actinides, like uranium and thorium, occur naturally in significant quantities in the Earth's crust.
What is one greenhouse gas that does not occur naturally?
Sulfur Hexafluoride (SF6) is a greenhouse gas that does not occur naturally. It is produced primarily from industrial processes, such as the production of aluminum, electrical transmission, and magnesium smelting.
What does not occur naturally on earth?
Synthetic materials like plastics, nuclear waste, and some chemical compounds are examples of things that do not occur naturally on Earth.
Where are plastics naturally found?
Plastic is a synthetic material. It is not found naturally anywhere.
Does the process of reflection of light occur in plastics?
yes
What year was river lee 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.Rivers are not built, they occur naturally, so there is no year that the river Lee was built.
Metals occur naturally in what state?
in there native state
What element does not occur naturally on earth?
Astatine is an element that does not occur naturally in large quantities on Earth.
How many different kinds of atom occur naturally on earth?
94 kinds of atoms occur naturally on earth
Do radio waves occur naturally in the environment?
Yes, radio waves occur naturally in the environment as a form of electromagnetic radiation.
What element does not occur naturally?
boron
Where does neon occur naturally?
it dont
Does a window occur naturally?
yes,it does
Do minerals occur naturally?
yes
