Answer:
Knowing the structure of the Earth is important because without the data that the scientists have gathered over time about the Earth's structure, they would not be able to tell when a natural disaster is about to take place and the place where it is going to take place.
Explanation:
Answer: Group
Explanation:
A Group refers to the amalgamation of minerals from several closely related species. It is done for easier classification and is the third tier in Mineral classification with the first being the <em>Variety</em> of the Mineral, the second being the <em>Species</em> and the third being the <em>Group</em>.
An example of a group is Feldspar which is a group of tectosilicate minerals.
Water cycle is a natural cycle of water from the earth's surface to the atmosphere back to the surface again and infinity. During evaporation, the water on the surface of Earth is converted to vapor that goes to the atmosphere. During condensation, the vapor goes back to the surface of the Earth
