TASK DEFINITION: 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.
PROBLEM: Question: James loved to travel the world. In his travels, he noticed that America contained a lot of industry while China contained not much industry at all. Which country produced more hazardous wastes? 
 Answer: America

SOLUTION: Countries with more industry produce more hazardous wastes than those with little industry.

PROBLEM: Question: Peter removed salt to his juice one morning. The mixture became _____ dense. 
 Answer: less

SOLUTION: If salt is added to a volume of water, there are more molecules in the same volume, so the water is denser.

PROBLEM: Question: Dean was seeing how long the wavelengths were, and saw that they had small amplitudes. Dean concluded that these waves had energy that was 
 Answer: smaller

SOLUTION:
Waves with greater amplitudes or shorter wavelengths have more energy.