The lining of the heart is the pericardium.
Answer:
At higher levels of extinction (41 to 60 percent of species), the impacts of species loss ranked with those of many other major drivers of environmental change, such as ozone pollution, acid deposition on forests, and nutrient pollution.
Explanation:
Answer:How does sexual selection affect evolution?
Explanation:
Sexual selection, theory in postulating that the evolution of certain conspicuous physical traits—such as pronounced coloration, increased size, or striking adornments—in animals may grant the possessors of these traits greater success in obtaining mates.
They are different isotopes for oxygen two of te three most stable isotopes ( 16,17,18)
Each different isotope contains different amounts of Neutrons
16 contains 8
17 contains 9
18 contains 10
In the end the only difference is quantity of neutrons and which is most stable
