¿Cuál de las siguientes alternativas pertenece a los elementos bióticos de un ecosistema? A. Las algas y los animales b. El agua, el suelo y las plantas c. El agua, el suelo, las rocas y el aire d. Las plantas, el agua, los animales y el aire

it forms an anion that has a larger radius. anions have a negative charge and are larger than the original atom.

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.