Which of the following properties of soil in absorbing contaminants from the soil?
a. cation-exchange capacity
b. soil reaction
c. soil structure
d. soil consistency

Soil structure is the property of soil that helps in absorbing contaminants from the soil. The correct option among all the options that are given in the question is the third option or option "c". Certain structure of soil or rather certain minerals present in soil resists contamination, while other minerals present in the soil hastens the contamination process.

For those of you who don´t want read, the answer is C

When a virus infects a host cell, it uses the cell's machinery to make copies of its own genetic material in a process called replication. finally, during the process of self-assembly, that protein shell and the copies of the virus's genetic material are assembled into new viruses.