The maximum time a person could listen to a sound of 87 decibels is: 8 hours
<h3>Meaning of Decibels</h3>
Decibels can be defined as the unit used by scientists to measure sound level.The values of Decibel ranges from a very low value to a very high value and the higher we get the more dangerous it is to our human ear.
In conclusion, The maximum time a person could listen to a sound of 87 decibels is 8 hours
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Answer:
Polygenic traits
Explanation:
Polygenic traits are traits that are controlled by more than one gene and the physical expression of these genes is significantly influenced by environmental conditions .Characteristics that show continuous variations are controlled by many genes.The genes that control them may be located near each other or even on separate chromosomes. They are often represented as a range of continuous variation because they are not discrete.
Answer: Cells are the basic building blocks of all living things. Cells form structures to create tissue that makes up our bodies, plants, and animals.
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Answer:
A bone marrow transplant is a medical procedure performed to replace bone marrow that has been damaged or destroyed by disease, infection, or chemotherapy. This procedure involves transplanting blood stem cells, which travel to the bone marrow where they produce new blood cells and promote growth of new marrow.
Explanation: