<span>A. The nebula contracts and shrinks instead of expanding
</span><span>Nebula is the cloud of interstellar dust and gas that forms a star. It is collborately shaped during colliding and collapsing of the interstellar mediums this is influenced by the gravitational attraction of the atoms and particles in the entites. Hence, there are three types of nebular namely, are classical nebula, diffuse nebula, planetary nebular and supernova remnants.</span>
Foliated rocks have bands, or layers( whatever you want to call it) unifoliated rocks don't have that I think.
<span> The answer A is correct. </span>Stacks of thylakoids<span> convert light energy into chemical energy in eukaryotic cells I think this is right.</span>
