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.

A student counts ants in an ant colony every day at the same time. The student writes the date of observation in one column in a notebook and the number of ants counted on each date in a second column. Which best describes how the student arranged the information?  
 (A) pie chart (B) data table (C) bar graph (D) scatterplot
B

Helen is preparing a presentation about objects in the solar system. She includes facts about the order of the planets and their distances from the Sun. Which statement could she include in an accurate presentation?  
 (A) Mars is closer to the Sun than Earth. (B) Neptune is one light-year from the Sun. (C) Jupiter is farther from the Sun than Uranus. (D) Earth is one astronomical unit from the Sun.
D

Rocks found on Earth are classified as sedimentary, metamorphic, or igneous based on  
 (A) where the rocks were found. (B) how the rocks were formed. (C) the composition of the rocks. (D) the color and shape of the rocks.

B