You are given a science question (easy-level) and four answer options (associated with "A", "B", "C", "D"). Your task is to find the correct answer based on scientific facts, knowledge, and reasoning. Do not generate anything else apart from one of the following characters: 'A', 'B, 'C', 'D'. There is only one correct answer for each question.

[Q]: An object such as a hammer weighs less on the Moon than on Earth. This is because the Moon has a  
 (A) thinner atmosphere than Earth. (B) smaller diameter than Earth. (C) stronger magnetic field than Earth. (D) lower mass than Earth.
[A]: D


[Q]: Which plant is grown for food?  
 (A) Rice (B) Tobacco (C) Orchid (D) Cotton
[A]: A


[Q]: Which is an example of water condensing? 1.  
 (A) puddle disappearing on a hot summer afternoon (B) Sweat forming on your forehead after you do a lot of exercise (C) Ice cubes melting when you put them out in the sun (D) Dew forming on plants during a cold night
[A]:
D