How are metamorphic rocks classified? What are the two main classifications, and how are they
different from each other? What will be an ideal response?
Metamorphic rocks are primarily classified according to their texture. In a foliated texture, platy and
elongate minerals have a preferred orientation. A nonfoliated texture does not exhibit any discernable
preferred orientation of the mineral grains
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Where do most of the atolls on Earth exist?
a. Indian Ocean b. Mediterranean Sea c. Atlantic Ocean d. Polar Ocean e. Pacific Ocean
The Yellowstone Park volcanic area is along a hot-spot track across the northwestern United States.
Answer the following statement true (T) or false (F)
Which of the following statements explains why the presence of Mesosaurus in both South America and Africa supports the continental drift hypothesis?
a. Mesosaurus was a freshwater aquatic reptile and swam from South America to Africa. b. Mesosaurus was a terrestrial reptile that rafted across the ocean from South America to Africa. c. Mesosaurus was a saltwater aquatic reptile and swam from South America to Africa. d. Mesosaurus was a freshwater aquatic reptile with fossil remains in both South America and Africa. e. Mesosaurus was a terrestrial reptile that was able to cross from Africa to South America by an isthmian link.
Developing low pressure areas generally have __________ air near the surface and __________
air aloft. a. converging, diverging b. diverging, converging c. converging, converging d. diverging, diverging