<span>One process wherein diffusion is important is the concentration of salt within a cell. When the salt levels are too high within the cell, salt molecules are moving via diffusion to a region of lower concentration. Another process is the movement of carbon dioxide in plant cells, where CO2 moves from regions of high concentration to regions of low concentration.</span>
Answer:
Winds blowing from the ocean
Explanation:
Winds blowing from the ocean contain water vapor making the air more humid, and they also contain the heat which the water contains due to water's properties of having a steady temperature and high specific heat capacity.
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.