Elements are .
only found on earth
subatomic particles with a positive charge
substances that are made up of only one type of atom
a chemical substance composed of atoms of two or more different types of atoms
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Ответ:
C
Explanation:
An element is a material that consists of a single type of atom. Each atom type contains the same number of protons. Chemical bonds link elements together to form more complex molecules called compounds. A compound consists of two or more types of elements held together by covalent or ionic bonds.
Ответ:
The remaining four-carbon molecule undergoes a series of additional ... Overall, one turn of the citric acid cycle releases two carbon dioxide molecules and ... You've already gotten a preview of the molecules produced during the citric acid cycle.
Explanation: