To reduce the risks of cross contamination when performing cpr, we should try, as far as possible, and if conditions permit, practice cpr in a clean environment of any chemical or physical waste, that the person who is performing the procedure doesn´t have any respiratory disease that can make the situation worse, having clean hands not to contaminate the patient, keep other people away so fresh air can flow freely.
It consists of three main parts: text, maps and tables.It includes general information about the geology, topography, and climate of the area. The tables describe the types and volumes of soils in the area.
Answer:
the amount of genetic variation in a population.
Explanation:
The proportion of the members of a population possessing beneficial allele due to natural selection will increase with time while the proportion of those possessing a harmful allele will decrease with time. After many generations, all the members carrying the harmful allele will die out leaving only those with the beneficial allele. The result is a genetic variation of the population with time.
The type of evolutionary mechanism, genetic drift