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: The first telescopes were invented hundreds of years ago. Which was discovered as a result of this invention?
(A) the moons of Jupiter (B) the bacteria that causes disease (C) the deep-sea trenches in the ocean (D) the parts of a plant that perform photosynthesis

Answer: A

Question: Bridge inspectors have determined that a bridge is unsafe. Which of the following is the BEST design process the company should use to correct the problem?
(A) identify the problem-repair the bridge-plan for the repair (B) plan for the repair-repair the bridge-identify the problem (C) plan for the repair-identify the problem-repair the bridge (D) identify the problem-plan for the repair-repair the bridge

Answer: D

Question: Studies of snail fossils in Egypt indicate that areas of Egypt that are now desert were once thriving savannahs approximately 130,000 years ago. What does the presence of these fossils indicate about the area of Egypt that was thriving 130,000 years ago?
(A) There was more humidity in the air. (B) There were fewer nutrients in the soil. (C) There was more snowfall in the region. (D) There was less solar radiation in the region.

Answer:
A