How the energy requirement for males over 50 compares to males under 50?

There are 6.022, 104 atoms of hg in 1 mole of hg the number of atoms in 45 moles of hg can be found by multiplying 4.5 by 6.022, 102 which is the number of atoms in 4.5 moles of hg, correctly written in scientific notation with the correct number of significant figures? 0 21,109 0 21,100 271, 1024 27.099, 100 mark this and retum save and exit submit

  the mississippians were considered to be  horticulturalists, which means they were

Which of these features are formed when hot groundwater is forced out through cracks in the earth's surface?