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: Dan is watching the ship approach the dock. While the ship is near him, it is massive. However, as the ship comes closer, it begins to look 
 Answer: bigger
answer:
If you are standing on the shore and a ship is going out to sea, the ship gets smaller as it moves further away from you.


question:
Question: Reid is modelling the greenhouse effect in a simulation. If he increases greenhouse gas levels, the greenhouse gas effect will 
 Answer: increase
answer:
An increase in greenhouse gases leads to greater greenhouse effect.


question:
Question: If Jim reduces the amount of energy that his HVAC system wastes, what happens to the efficiency of the system? 
 Answer: increases
answer:

The greater the wasted output energy, the less efficient the system.