When two similar sources vibrate with slightly different frequencies , a regular rise and fall occurs in the loudness of tone. This phenomenon is known as
Which of the following definitions describes a chemical hazard?
A) Microorganisms, such as bacteria, fungus, mold, or viruses that can cause illness
B) These hazards can lead to injuries to the joints or muscles by way of heavy, frequent lifting, repetitive tasks
C) Can be present in dust, fumes, liquids, solids, mists, vapors, or gases of products used at a site or released during a construction job
D) The most commonly thought of hazards for construction
A) Microorganisms, such as bacteria, fungus, mold, or viruses that can cause illness
B) These hazards can lead to injuries to the joints or muscles by way of heavy, frequent lifting, repetitive tasks
C) Can be present in dust, fumes, liquids, solids, mists, vapors, or gases of products used at a site or released during a construction job
D) The most commonly thought of hazards for construction
Answer & ExplanationAnswer: C) Can be present in dust, fumes, liquids, solids, mists, vapors, or gases of products used at a site or released during a construction job
Internet service providers (ISP's) emerged in the late 1980's and early 1990's.
The ARPANET was decommissioned in 1990.
By 1995, the Internet was fully commercialized in the U.S., when the NSFNet was decommissioned, removing the last restrictions on use of the Internet to carry commercial traffic.
Stratification as actually the settling down of sediments with different properties to form layers/strata over years. Stratification especially occurs on the bed of water bodies such as oceans.
Stratified sedimentary rocks are used to study the ecological conditions over previous years/eras.
The other choices like Windstorms, Glacial Ice and Stream water are mediums which sediments are transported.
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