<span>A six-carbon sugar is an example of a molecule </span><span>that can join with other molecules to form a carbohydrate such as starch or cellulose.</span>
Answer:
I would say everything's correct except the second one, I believe that one is false :) I hope you do well and sorry if i'm wrong!
Explanation:
<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>
<span>The tundra and the desert are very similar in one important way. Each of these biomes has low rainfall and available water, this results in plants in each environment that have adapted in similar ways. It causes these plants to have a waxy coating on the leaves which aids in preventing them from drying out.</span>
