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.
--------
Question: On a cold, cloudy day, the local weather forecaster predicts that a high-pressure system will be moving into the area in the next 24 hours. Which weather conditions will this system most likely bring to the area?  
 (A) stormy (B) sunny (C) snowy (D) hot

Answer: B


Question: Florida has a large supply of phosphate that ancient seas deposited millions of years ago. The phosphate contains the remains of animals that were deposited in layers on the sea floor. Which type of rock did the phosphate become?  
 (A) intrusive igneous (B) extrusive igneous (C) clastic sedimentary (D) organic sedimentary

Answer: D


Question: The Appalachian Mountains, which extend from Canada to Alabama, were much taller in the past than they are today. Which of the following two processes are most responsible for the decrease in the height of the Appalachian Mountains?  
 (A) weathering and erosion (B) sedimentation and flooding (C) volcanic eruptions and landslides (D) tectonic collisions and earthquakes

Answer:
A