This is for people who have siblings. How would you fell if you just got a call and it said that your sibling has been shot in a drive by. And only has a 50% chance making it bc of where they got shot.

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 variability in marine salinity between habitats does not impact the fish living there. select the best answer from the choices provided t f

Why are pipes bursting in the in extremely cold weather?