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.

[EX Q]: Carlos was playing on a slide on a sunny summer day. Which property of the slide tells Carlos how much energy the slide absorbed from the Sun?  
 (A) the mass (B) the color (C) the height (D) the temperature
[EX A]: D

[EX Q]: Ribosomes present in a particular cell are smaller than those found in plants. In which taxonomic group or groups could the cell be classified?  
 (A) fungi only (B) archaea only (C) bacteria or archaea (D) bacteria or fungi
[EX A]: C

[EX Q]: Scientists who have studied global climate changes have found that the average temperature of Earth has risen. There has also been an increase in the accumulation of atmospheric greenhouse gases. What is the goal of the scientific community in collecting this type of data?  
 (A) to understand how greenhouse gases are related to global warming (B) to decrease the temperature using fossil fuels (C) to change public attitude on using natural resources (D) to increase the amount of ice in the Arctic
[EX A]:
A