The first bacteria probably used ________ instead of water as a source of hydrogen
A) Fe3O4.OH B) H2SO4 C) H2S D) OH-1 E) HCl
C
Environmental & Atmospheric Sciences
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Most native languages of Oceania belong to which language family?
A) Solomon
B) Austronesian
C) Papuan
D) Pidgin English (Pijin)
E) Indo-European
Environmental & Atmospheric Sciences
the most widespread oxides are those that combine oxygen and ______.
a - native elements b - silver c - calcite d - iron e - water
Environmental & Atmospheric Sciences
________ is helping natural hazards to become catastrophes
Fill in the blank(s) with correct word
Environmental & Atmospheric Sciences
In the case of traditional geothermal power generating plants, individual geothermal fields can typically be used for only a few decades before the rocks become too chilled for efficient power generation.
Answer the following statement true (T) or false (F)
Environmental & Atmospheric Sciences