Answer:
the combination,decomposition or replacement that occurs in the molecules of matter during chemical change called chemical reaction
Answer:
c.lifespan or battery lifespan
Explanation:
"Battery Lifespan"affects how often it needs to be replaced
Answer:
<em>About four million tons of </em><em><u>matter</u></em><em> are converted to energy in the Sun’s core every second</em>
Explanation:
<u>The Sun
</u>
It's estimated that The Sun fuses near 600 million tons
of hydrogen into helium every second. As a result, 4 million tons of matter are converted to energy every second according to Einstein's equation 
<span> </span>Most of the stars in the Milky Way will end their lives as white dwarfs
Answer:
please find attached file
Explanation: