Respiration of carbon dioxide by plant roots can lead to the formation of carbonic acid which can chemically attack rocks and sediments and help to turn them into soils. There are a whole range of weathering processes at work near the surface of the soil, acting together to break down rocks and minerals to form soil.
Ocean floor subducts under continents because the ocean floor is softer and the crust in here is with lesser density and thickness, while the continents are harder because their crust is thicker and has bigger density. So when they collide, the softer ocean floor is pushed downwards by the harder continental crust.
Answer:
According to geocentric Earth is the center of universe, and everything revolves around it, while according the heliocentric model sun is the center of universe and everything revolves around the sun.
Explanation:
Geocentric model was mostly used during the medieval period because the theory was supported by the church. Although ancient Greek philosophers already presented heliocentric theory, it was not until the period of Copernicus and Galilei this theory was widely accepted.
Answer:
A.
Explanation:
Only the first three planets revolve around the Sun.
Answer:t
True, one the earliest human civilizations in the the history settled along the Indus Rives and as a matter of fact, it was called the Indus Valley Civilization and today it is know as India. The indus valley civilization very advanced in technology. They have many things that we recently invented or developed