Calcium Carbonate Crystals Can Be Distinguished from Bacteria By

question 120

Multiple Choice

Calcium carbonate crystals can be distinguished from bacteria by:

• A) Warming the sediment
• B) Refrigerating the specimen
• C) Checking the pH of the specimen
• D) Adding acetic acid

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Definitions:

Gamma Radiation

High-energy electromagnetic radiation emitted from atomic nuclei during radioactive decay, with no mass and no charge.

Penetrating Power

The ability of a type of radiation to pass through material, affecting the extent to which different types of radiation can penetrate materials to different depths.

Belt of Stability

A term used in nuclear physics to describe the region on a chart of nuclides where stable nuclei exist, based on their neutron to proton ratio.

Beta Decay

A radioactive decay process where a beta particle (electron or positron) is emitted from an atomic nucleus, altering the original element to a different one.