Which statement correctly describes rock-forming minerals and economic minerals?
a. Rock-forming minerals consist of a few types of minerals that are sparse in Earth's crust, whereas economic minerals are very abundant and are used extensively in the manufacture of products.
b. Only minerals that are not rock-building minerals can have economic value.
c. Silicates are important economic resources and include gypsum, which is used for plaster.
Nonsilicate minerals are only important as rock-building minerals.
d. Economic minerals consist mostly of silicate minerals, whereas rock-building minerals consist mostly of nonsilicates.
e. Rock-forming minerals consist of a few types of minerals that are abundant in Earth's crust, whereas economic minerals are less abundant and are used extensively in the manufacture of products.
e. Rock-forming minerals consist of a few types of minerals that are abundant in Earth's crust, whereas economic minerals are less abundant and are used extensively in the manufacture of products.
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A) Turkey B) Iran C) Saudi Arabia D) Iraq E) Egypt
Why is the wet adiabatic rate of cooling less that the dry adiabatic rate?
What will be an ideal response?
The practice of intentionally trying to eliminate a national, ethnic, racial or religious group is known as
A) genocide. B) subnationalism. C) ethnic cleansing. D) civil wars.
Probability gives us a mathematical estimate that an event is likely to occur.
Answer the following statement true (T) or false (F)