Answer:
THe correct answer is:
The water cycle.
The repeated movement of water between earth's surface and the atmosphere is called the water cycle.
Explanation:
The water cycle is the natural movement process of water through the evaporation, condensation, transpiration and precipitation processes that transport the water from one place to another by changing its states from liquid as rivers and oceans, to gas as clouds and steam, and solid as ice and snow.
Answer: It refers to the decline in travel time between geographical locations as a result of transportation, communication, and related technological and social innovations.
Explanation:
Answer: The correct answer is : (2) all inorganic rocks except igneous rocks are formed from other rocks
Explanation: Igneous rocks are formed by the solidification of magma, the process is slow if it is in the crust and fast if it is on the surface.
Sedimentary rocks are formed on the surface of the earth by processes of erosion and alteration of pre-existing rocks.
Metamorphic rocks have been formed by the evolution of another previous rock due to the environment to which it is subjected that may be hotter, colder or of a different pressure.
Answer:
Modern humans originated in Africa within the past 200,000 years and evolved from their most likely recent common ancestor, Homo erectus, which means 'upright man' in Latin. Homo erectus is an extinct species of human that lived between 1.9 million and 135,000 years ago.
Explanation: