Acetic Acid in the Fixture Acts as a Preservative to Prevent

question 5

Multiple Choice

Acetic acid in the fixture acts as a preservative to prevent chemical breakdown of the fixing agent.Potassium alum contracts and solidifies the gelatin in the film emulsion during the fixation process.

• A)Both statements are true.
• B)Both statements are false.
• C)The first statement is true;the second statement is false.
• D)The first statement is false;the second statement is true.

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Definitions:

Groundwater

Water that occupies the pores and fractures in underground rock and soil, a critical source of freshwater for drinking, agriculture, and industry.

Spring

A place where groundwater flows out of the ground onto the surface.

Spring

A natural flow of groundwater emerging at the surface, typically where the water table meets the ground surface.

Groundwater Flow

The movement of water underground through the spaces in soil, sand, and rocks, which plays a critical role in the hydrologic cycle and water supply.