Explain how the
vegetation in our area changes with our seasons.

1b. convection2f. the same

H2so4 is the chemical compound of sulfuric acid. 

13 protons and 14 neutrons.  this also means that the amount of electrons also is 13 because electrons have the same amount as protons..the atomic number means the amount of protons (which effectively tells you the electrons) the atomic mass, tells you the amount of protons and neutrons in the nucleus.hope this . 

V=s/t  4.5 = 5000+15000+20000+5000t=45000/4.5t=10000sto convert divide by 360answer is 3 hours