New methods in mineral exploration include

A. geochemical  prospecting.
B. geophysical techniques.
C. remote sensing.
D. All the choices are correct.


Answer: D

Environmental & Atmospheric Sciences

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Areas identified by distinctive characteristics that distinguish them from surrounding areas are known as ____

Fill in the blank(s) with correct word

Environmental & Atmospheric Sciences

The ultimate base level is sea level

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

Prosimians are Old World monkeys

a. True b. False

Environmental & Atmospheric Sciences

Water in the ocean combines with carbon dioxide to form a weak acid called carbonic acid. But the ocean's pH is 8.1. on average, which is slightly basic. How is this so?

a) Water has a set pH and never fluctuates. b) Because of ocean water's salt content, it is always basic. c) A and B d) There is a natural buffer system.

Environmental & Atmospheric Sciences