I know c is the answer. B is the second letter in the alphabet. :D
<span> A. The dwarfs think that Bilbo has done harm to their friend, Gandalf. B. Bilbo thinks that the dwarfs have taken him from his family. C. The dwarfs don't think that Bilbo can help them on their mission/quest. D. Bilbo wants the dwarfs to bring him back to his place (or you know, his home), but they don't want to. :)</span>
Answer:
The air in the atmosphere consists of nitrogen, oxygen, which is the life-sustaining substance for animals and humans, carbon dioxide, water vapor, and small amounts of other elements (argon, neon, etc.). Higher in the atmosphere air also contains ozone, helium, and hydrogen.
Explanation:
Oxygen- is an important gas, both for humans as well as the atmosphere. It supports breathing for living beings, but at the same time, oxygen is a combustible gas, which means, it can catch fire quickly.
Carbon dioxide- is infused into the air due to respiration. Living beings inhale oxygen and exhale carbon dioxide.
Water Vapor- When the water present in the water bodies evaporates due to heat, it rises and mixes into the atmosphere.
The sentence which most improve the sentence by adding description is this: 'there are plenty of vegetables, flowers, and plants at the community garden where I work. This sentence is descriptive in nature and tell us some of the charactersitics of the place where the speaker works.
