Many metallic mineral deposits such as copper, gold, lead, ...

[K@]

Many metallic mineral deposits such as copper, gold, lead, silver, tin, and zinc are related to igneous and associated ____ activity.
 A)metamorphic
 B)subducting
 C)hydrothermal
 D)transform fault
 E)sedimentary

Question 2

Whose work was the basis for the principle of uniformitarianism and the unavoidable necessity of a great age for Earth?
 A)Charles Lyell
 B)William Smith
 C)James Hutton
 D)Lord Kelvin
 E)John Joly

[blakeserpa]

Answer to Question 1

C

Answer to Question 2

C

[K@]

Thanks for the timely response, appreciate it

[tkempin]

Excellent