Answer:
nuclear fusion
Explanation:
When the density and temperature at the core of the gravitationally collapsing nebula reaches values when nuclear fusion is triggered and sustained, that marks the birth of the star.
Evaporation and transpiration since the suns energy causes this phenomenon
Answer: Embryos and the development of embryos of various species within a class are similar even if their adult forms look nothing alike.
Explanation:
Answer:
it has a high specific heat capacity
1 gram of a substabce to 1 degree Celsius