Answer:
Explanation:
Hydrogen fusion (nuclear fusion of four protons to form a helium-4 nucleus) is the dominant process that generates energy in the cores of main-sequence stars. It is also called "hydrogen burning", which should not be confused with the chemical combustion of hydrogen in an oxidizing atmosphere.
Answer:
Explanation:
w eFedfweF edf SEDFAsFGFSDSFG BAEWRDA G
D water expands when it freezes
Answer:
False
Explanation:
That's because elements in a compound combine and become an entirely different substance with its own unique properties.
