Options: the complete loss of particular atoms or the compounds from the weathered surface, the addition of specific atoms or compounds to the weathered surface, a breakdown of one mass in to two or more masses, with no chemical change in the mineral or rock, All of the above
The most plausible explanation for the location of the Thar desert in western India is
Options: the obstruction caused by the Aravalis to the rain-bearing wind that proceeds to the Ganga Valley, the evaporation of moisture by heat, the absence of mountains to the north of Rajasthan to cause orographic rainfall in it, that the moisture carried by the South-west monsoon is driven away by the dry upper air current
The oldest rocks in the earth's crust were once molten, and came from deep inside the earth. The molten rock, called magma, spewed out in volcanic eruptions during the earth;s early life and solidified into hard rock's called
Benjamin Franklin was a prolific inventor. He invented the lightning rod, the Franklin stove, studied electricity, discovered the Gulf Stream, started the first library, and on and on. Among his many other inventions, what musical instrument did he invent?