Answer:
Renewable fuels are fuels produced from renewable resources. Examples include: biofuels (e.g. Vegetable oil used as fuel, ethanol, methanol from clean energy and carbon dioxide or biomass, and biodiesel) and Hydrogen fuel (when produced with renewable processes).
Answer: The adult can help teenagers to cope up with the physiological, psychological, and social changes they are going through with.
Explanation:
The physiological changes like those changes that occur during puberty and last till the adulthood are part of human life cycle and they are necessary for the overall development of the body and make humans reproductively active. Psychological changes are associated with adolescence like mood swings, aggressive behavior, or sense of loneliness these changes should be regulated by the advice given by the adults and supporting the teenagers with such behavior changes. Social changes like lack of attention received from fellows, lack of coordination between parent children relationships. Counselling related to such matters can help in resolving them.
maybe the author just want to keep that info secret and the story maybe not true at all so author doesn't want to tell readers, that what I think!
In "The Snowstorm," Emerson is referring to the winds howling in the sky when he states the metaphor of "the trumpets of the sky."