<span>There may have been phenotype and genotype changes.
Research involves quantitative and qualitative research. Qualitative is a type of research that involves observation and collection of data but include a control. Qualitative research involves, case studies, phenomenology, archival studies, naturalistic observation and the related. These are based on experiences, observations and subjective perceptions of the researcher and the subject being studied.</span>
The blue whale would be largest mammal in the world.
The answer to the question is a
Answer:
1.supply of better
quqlity food for animals
२.recovering and improving soil nutrients
Explanation:
by providing nitrogen fixing bacteria