Examlex
Which of the following developments fostered the flow of migrants into the Virginia colony between 1617 and 1622?
Feldspar
A very common rock-forming silicate mineral that is abundant in most igneous and metamorphic rocks and some sedimentary rocks.
Calcite
A common rock-forming calcium carbonate mineral occurring in limestone and a variety of water-related deposits.
Scratch Test
A method used in geology to determine the hardness or mineral composition of rock samples by scratching them with a harder material.
Effervescence
The process of releasing gas bubbles from a liquid, often seen when opening carbonated drinks.
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