instruction:
In this task, you are given a question and answer for that. The answer will fill in the blank or will complete the unfinished question. Your task is to provide an explanation based on the given question or fill-in-the-blank statement, and answer.
question:
Question: Mike wants his voice to travel faster, so he will speak in a room that is 
 Answer: warmer
answer:
For a given medium such as air, sound has a slower speed at lower temperatures.


question:
Question: If Jim begins emitting more greenhouse gases into the air it means that the air will become 
 Answer: warmer
answer:
More greenhouse gases trap more heat and warm the atmosphere.


question:
Question: Tommy was assigned to work with alkene compounds for his science project. When he took them out he noticed that they were in liquid form before he even worked with them. This means that the alkenes were 
 Answer: large alkenes
answer:

Larger alkenes have lower boiling and melting points, so they are liquids or waxy solids at room temperature.