The three important physical features found along the west coast of South America is the Andes Mountains, Atacama desert, and the Lake Titicaca. Andes Mountain is the highest mountain found outside of Asia and runs along the western side of South America. The Atacama desert is a plateau found west of the Andes Mountains and the driest desert in the world. The Lake Titicaca is deep lake located on the border of Bolivia and Peru.
1- Classified by texture and composition
2- Rarely has fossils
3- May have alternative bands of light and dark minerals
4- May react with acid
5- May be composed of only one mineral , ex . Quartzite
6- May have layers of visible crystals
7- Usually made of mineral crystals of different sizes
8- Rarely has pores or openings
9- May have bent or curved foliation
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Unlike latitude lines<span>, </span>longitude lines<span> are not parallel. Meridians meet at the poles and are </span>widest<span> apart at the equator. Zero degrees </span>longitude<span> (0°) is called the prime meridian. The degrees of </span>longitude<span> run 180° east and 180° west from the prime meridian.</span>
Sam bought a new car seven years ago today - absolute age
Sarah s company was formed a few years after James’s company - relative age
Luke’s school was built in December, 100 years ago. - relative age
Alice’s school is older than Luke’s school - relative age
Louisa owned a car long before Sam - relative age
James’ company has been in existence since 1991 - absolute age
relative age - the age of an event is determined in relation with another event (or another person)
Absolute age - the age of an event is a fixed moment in time, which can be traced back with precision and does not depend on another event, person or age
