15. It examines the relationship between amount of homework and student achievement. This is an example of
a. Field research
b. Mixed-Method research
c. Qualitative research
d. Quantitative research

Viruses are nonliving things. They are complex molecules made up of proteins and DNA (or RNA) that can infect various organisms. They do not have enough characteristics to be classified as living things.

Remember that there are criteria for us to classify life. Viruses do not satisfy any of these as they are just a group of molecules that formed a protein that protects the genetic material in the center, which in some cases are varying from DNA to RNA. Viruses are only able to replicate themselves because they hijack a cell's machinery by inserting their DNA which codes for the necessary information for their replication.

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Perhaps the best way to characterize philosophy is to begin by noticing some way commonsensical notions, ar better still, uses of the term ' philosophy '

Let me then draw attention to the general belief that each mas has a philosophy of his own. I must say I agree with the view that each person ( the jeepney driver, the farmer, the factory hand, the sidewalk vendor, the teacher, the politician, and so on ) has a personal philosophy of his own. and this personal philosophy significantly affects his made of relating or dealing with his environment.