How is magma generated along convergent plate boundaries?
What will be an ideal response?
Partial melting due to subduction generates magma along convergent plate boundaries.
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The Korean War began in
A) 1999 B) 1950 C) 1945 D) 1905 E) 1937
An amine can often form R-NH3+ (where R- can stand for anything) by reacting with water. What is happening?
A. The amine is accepting a proton from the water molecule, forming OH-. B. Amines are basic. C. Amines can form H3O+ in water by donating a proton from the polar portion of the molecule. D. Amines are acidic. E. none of the above
The final result of the classical theory of the geomorphic cycle concept is ______.
a - maturity b - old age c - youth d - an initial surface e - a peneplain
During the vernal equinox, which location receives the greatest amount of insolation?
A) poles B) Tropic of Cancer C) Tropic of Capricorn D) equator