Which method listed below is NOT an example of secondary recovery methods?
a. grouting
b. fluid-mixing
c. steam injection
d. water injection
e. fire flooding
A
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In a battery, the following two oxidation-reduction reactions are taking place: rxn A: Zn ? Zn+2 + 2e- rxn B: 2 NH4+ + 2e- ? 2 NH3 + H2Which reaction is taking place at the anode?
A. Both reactions are happening at both the anode and cathode. B. The reaction takes place at the electrode, not the anode. C. Both reactions are happening at the electrode. D. rxn B E. rxn A
Hich one of the following shows the correct order (from left to right) of decreasing magma viscosity?
(Remember that viscosity is resistance to flow, so you should pick the answer that has the most viscous lava type on the left, and the least viscous [most runny] on the right.) A) rhyolite, andesite, basalt B) andesite, rhyolite, basalt C) basalt, andesite, rhyolite D) andesite, basalt, rhyolite
How did scientists initially deduce part of the Earth's core is molten?
A. Because the Earth has a magnetic field that requires the presence of a molten core. B. Because it is the source of molten material for active volcanoes. C. Because certain vibrations do not pass through it.
A(n) ____________________ is a rise in sea level caused by increased winds and reduced air pressure during a hurricane
Fill in the blank(s) with correct word