Answer:
Precipitation
Explanation:
Precipitation refers to the falling of the condensed form of water vapor as a result of gravity. The given excerpt presents the process of precipitation of Nitrogen along with the water vapor. The nitrogen gets mixed along with the water vapor and returns to the soil. This process of returning after passing through the process of condensation is termed to be precipitation.
Folic acid synthesis in bacteria.
Answer:
PCR is used in many research labs, and it also has practical applications in forensics, genetic testing, and diagnostics. For instance, PCR is used to amplify genes associated with genetic disorders from the DNA of patients (or from fetal DNA, in the case of prenatal testing).