The Sidereal day is 1. different than the Solar day due to the fact that the Earth has a nearly circular orbit.
2. different than the Solar day due to the fact that the Earth is tilted on its axis.
3. different than the Solar day due to the fact that the stars’ light takes many years–sometimes billions of years–to reach Earth.
4. different than the Solar day due to the fact that the Earth revolves around the Sun.

The lines marked by the letters a, b, and c on the map above represent a. chains of volcanoes b. earthquake fault lines c. thin strips of heavy forests d. major rivers that flow from north to south

Short answer/constructed response: respond to the question in 3-5 complete sentences. give details or examples to support your answer. attempt to answer all parts of the question in paragraph form! using the source 1 map, pick two of the 1800's territorial acquisitions you believe were the most important in the development of the united states. provide at least two reasons per territory to explain why you think they were the most important.

This is a 2017 topographic map of puerto rico in the united states, and i'm sorry that people there have suffered such a disaster. i want to ask, what do the yellow dots and areas represent on this graph? and the blue area and the little blue circle, and the little blue sign that looks like a signal tower, what do they stand for?