To the heart: pulmonary vein
Away from heart: pulmonary artery
Answer:
Allele frequencies change randomly each generation is the example of genetic drift.
Atmospheric Fixation. The enormous energy of lightningbreaks nitrogen molecules and enables their atoms to combine with oxygen in the air forming huge nitrogen oxides. These dissolve in rain, forming nitrates, that are carried to the earth.
Well what is the magnification in order to figure out how tall the letter e is in the microscope. Right!
Agricultural use takes up 40% of their annual use in California
