Chemical then light energy plz mark me brinliest
Answer:
A compound consists of two or more types of elements held together by covalent or ionic bonds.
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
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Answer:
At least three principle methods of desalination exist: thermal, electrical, and pressure. The oldest method, thermal distillation, has been around for thousands of years. In thermal distillation, the water is boiled and then the steam is collected, leaving the salt behind.
Explanation:
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Answer:
the process by which different kinds of living organisms are thought to have developed and diversified from earlier forms during the history of the earth.
Explanation: