Water freezing to form ice melting a gold chain to create a gold ring breaking a window into smaller pieces these may all be classified as a) chemical change. b) physical change. c) chemical decomposition. d) increasing surface volume.

mention the spill to the teacher clean the area and throw the broken pieces away

explanation:

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answer is: nuclear fusion produces elements that are heavier than helium.

nuclei combine to form a heavier nucleus, releasing energy.  

for example, fusion of hydrogen atoms at the sun.  

this fusion nuclear reaction is in the inner core of the sun and hydrogen (atomic number 1) is conveted into helium (atomic number 2).  

the inner core is the central region of the sun and all solar energy is produced in the core by nuclear fusion.