In Journey to the Center of the Earth, by Jules Verne, an adventurer travels through the layers of Earth until he reaches the center. While it is not possible actually to travel through all of the layers of Earth, in what order would the adventurer have traveled to reach the center? Rearrange the layers into the correct order. Place the outer layer at the top and the innermost layer at the bottom.

answer : a model is often used to explain and make things easier to understand when any scientific topic needs to be demonstrated and explained.

as in this case where a scientist wants to use a model to present the results of his detailed scientific investigation. he should do it as it will him to make the audience understand the concept in a much better way. also, it can be changed according to new scientific understandings.

water at room temperature is flowing through a pipe with pressure taps located 10 ft apart along one section of the pipe, which are connected to a mercury (s=13.6) manometer.