Answer:
fossil fuels is the correct answer for your question
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.
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- 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.
The tilt of Earth axis as Earth moves around the Sun
Part 1: The four astronomical bodies would you choose to represent the four labels in the diagram are (A universe B galaxy C solar system D Mars) because a universe holds galaxys and galaxys holds solar systems witch holds planets like Mars
<span>Part 2: The hierarchical level D is different from the rest because D or mars is a planet and unlike all there other astronomical bodies it dose not hold other astronomical bodies with in it. </span>
