Answer:
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Explanation:
Answer:
This year 2008 marks the twentieth anniversary of the establishment of the Intergovernmental Panel on Climate Change -IPCC, initials corresponding to its name in
Intergovernmental Panel on Climate Cha creation was due to an agreement between the
World Meteorological Organization -ó
United Nations- and the United Nations
United Nations for the Environment and had the objective of providing independent scientific information on the problem of
Climate, in principle, aimed at the cops
Almost ten years earlier, in the first Conf
World Climate Conference, attention had been drawn to the increase in human activities, indicating that they could produce climatic alterations on a planetary regional scale. A few years later, the role of CO2 was evaluated, as well as other gases capable of contributing to the so-called winter variations in climate effect. The need is also proclaimed to have objective, balanced and internationally coordinated scientific trials, capable of providing the consequences that an increase in concentration in the Earth's atmosphere
Answer:
each cell normally contains 23 pairs of chromosomes, for a total of 46. ... Females have two copies of the X chromosome, while males have one X and one Y chromosome. The 22 autosomes are numbered by size. The other two chromosomes, X and Y, are the sex chromosomes
