Use information from the paragraph to answer the question. Question: What would happen to the atmosphere as Jim climbed lower down a mountain it would become less dense or it would become more dense? Paragraph : The density of the atmosphere decreases with an increase in the height above sea level (altitude).
it would become more dense

Use information from the paragraph to answer the question. Question: The smaller the alkene the lower or higher boiling and melting points? Paragraph : Larger alkenes have lower boiling and melting points.
higher

Use information from the paragraph to answer the question. Question: As the train approached the intersection and blew its horn, expanding the wavelengths of the sound, did the frequency of the horn increase or decrease?? Paragraph : This means that as wavelengths get shorter, more waves move past a particular spot in the same amount of time.
decrease?