Answer:
C) when nuclear fusion begins in the core
Explanation:
- <u>The protostar is a main-sequence star that has a core temperature that exceeds abut 10 million K and is needed for the hydrogen to operate efficiently and the </u><u>length </u><u>of this process depends on nature and the stellar </u><u>mass</u><u>, as the huge massive star have a greater and bigger core and fusion takes fast.
</u>
- A protostar is also called as primitive star and represents the earliest phases of the process of the stellar evolution and takes place after it leaves form the main sequence star.
Answer:
C
Explanation:
is the scanning of the earth by satellite or any high flying device to obtain information about a place
Answer:
volcanoes and rivers
Explanation:
the salt from the ocean come from fresh water rivers , and volcanic eruptions spew out water vapor and and carbon dioxide and other gasses like chlorine. the chlorine will then dissolve into the ocean and combine with sodium to get sodium chloride.
I hope this help you, have a wonderful day.
The panama was the important country for the Inca's.
:)
XD
Honestly none of them. It should be 5.098 x 10^6
