Given the reaction: 2 Na + 2 H20 – 2 NaOH + H2
What is the total number of moles of hydrogen produced when 4 moles of sodium react
completely?

all eukaryotic cell have mitochondria : )

sup bro, im dumb, but this is what i found xd

"the ozone layer acts as a filter for the shorter wavelength and highly hazardous ultraviolet radiation (uvr) from the sun, protecting life on earth from its potentially harmful effects. when the sky is clear, there is an inverse relationship between stratospheric ozone and solar uvr measured at the earth's surface"