Why do some rocks consist of mineral grains with sharp edges and flat surfaces, while others consist of mineral grains with rounded edges and surfaces?
What will be an ideal response?
The mineral grains with rounded edges and surfaces have undergone abrasion. The mineral grains with sharp edges and flat surfaces have not undergone abrasion.
Environmental & Atmospheric Sciences
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What features are shown in this photograph?
A) Coral reefs
B) Karst topography
C) Pinnacles and sea stacks
D) Sea caves
E) None of these are correct.
Environmental & Atmospheric Sciences
A clastic wedge is a wedge-shaped block of sedimentary rocks bounded by faults that intersect at
an acute angle. Indicate whether the statement is true or false.
Environmental & Atmospheric Sciences
How many ketones have the molecular formula C5H10O?
A) 1 B) 2 C) 3 D) 4
Environmental & Atmospheric Sciences
Small earthquakes following the main surface wave arrival are called foreshocks.
Answer the following statement true (T) or false (F)
Environmental & Atmospheric Sciences