Is mixing NaoH and (Cu(No3)2) chemical reaction or physical be detailed and use scientific information

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

Amap that uses a range of colors and shading to represent the elevation, depth, or landscape of specific features on earth is a/an map.

The organs inside the body and how they function together