Thorium-223 is an a emitter. What isotope is formed when 223Th emits an a particle?

A) 221Fr
B) 223Pa
C) 219Po
D) 219Ra


D

Environmental & Atmospheric Sciences

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Geochemical prospecting involves analyzing all of the following except

A. plants. B. fish. C. soil. D. soil gases.

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Similar in nature to a batholith but much smaller in size is a ________.

a - sill b - stock c - dike d - vein e - all of the above

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A change in the temperature of an object signifies that its molecules have a stable amount of kinetic energy

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

North Atlantic Deep Water (NADW) formation may be impacted by climate change because of ________.

A. decreased surface water density B. increased water column stability C. increased precipitation at higher latitudes D. All of these choices are correct. E. None of these choices is correct.

Environmental & Atmospheric Sciences