Robert uses a spring scale to measure force. What is the unit of his measurement?

A). newtons

B). joules

C). volts

D). pascals

Newtons

Explanation:

(Hopefully this helps brainliest?)

Newton- Newton is unit in which force is measured

Joules is measured for energy

volts for potential difference

Pascals for pressure

a galvanic cell( aka voltaic cell) and electrolytic cell

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.