Answer:
The presence in the air of one or more contaminants in such a concentration and of such duration as to cause a nuisance or to be injurious to human life, animal life or vegetation.
Most of the Southern Europe's terrain is moutaineous.
Answer:
The embryological data have advantage over DNA evidence.
Explanation:
- Embryology is the study of earliest phase of any organism i.e development and formation of embryos.
- The embryological data is very important because it give the proper information about the mechanisms that have both normal and abnormal development.
- Similarly the embryological data also helps in studying the evolution over the generations.
- The overall organization, its process of development can be properly known by embryology over DNA evidence.
The nucleolus disappears. Centrioles begin moving to opposite ends of the cell and fibers extend from the centromeres. Some fibers cross the cell to form the mitotic spindle. The nuclear membrane dissolves, marking the beginning of prometaphase.
Geography is the study of the physical features of the earth and its atmosphere, and of human activity as it affects and is affected by these, including the distribution of populations and resources, land use, and industry
