it is because the both elements are natural and they cannot be destroyed.
Pattern and rhythm are two design elements found in the American flag.
There are two types of elements. They are carbon and hydrogen
The two common elements found in the sun are Hydrogen and Helium.
group 1 elements
There are only two elements in ammonia: nitrogen and hydrogen.
Two elements found in unpolluted air are nitrogen, which makes up about 78% of the atmosphere, and oxygen, which makes up about 21%. These two elements are crucial for supporting life on Earth.
Table salt is composed of the elements sodium and chlorine.
Osmium and iridium are the two elements with highest density.
The two natural elements found in water are hydrogen and oxygen.
Oxygen and silicon are two of the principle elements. See the related link.
The top two elements in the Earth's crust as a percentage are:Oxygen--47%Silicon--28%
Oxygen and silicon are the two most abundant elements found in the most common minerals. The most common minerals found on Earth are silicates.