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
DNA replication is the biological process of producing two identical replicas of DNA from one original DNA molecule. DNA replication occurs in all living organisms acting as the basis for biological inheritance. Complementary base pairing helps prevent errors in DNA replication.
Two trains running in opposite directions cross a pole placed on the platform in 47 seconds and 31 seconds respectively. If they cross each other in 33 seconds, what is the ratio of their speeds?
Let the speed of the trains be x and y respectively length of train1 = 47x length of train2 = 31y Relative speed= x + y Time taken to cross each other = 33 s => = 33 => (47x + 31 y) = 33(x + y) => 14x = 2y => x/y = 2/14 = 1/7
A comparative compares a person or thing with another person or thing. A superlative compares a person or thing with the whole group of which that person or thing is a member
Comparative adjectives compare one person or thing with another and enable us to say whether a person or thing has more or less of a particular quality.
Example :: I’m more interested in music than studies, Arun is taller than Karthik.
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