Charissa says that bread goes through a chemical change when it is toasted. which of the following observations would least support her conclusion? a. a change in the smell of the bread b. a change in the color of the bread c. a change in the texture of the bread d. a change in the shape of the bread

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

Use the periodic table to complete this equation that represents nuclear fission processesun - ba c 3 n

How does the atmosphere to make earth livable? check all that apply. causes the seasons contains oxygen provides warmth creates important nutrients blocks harmful energy from the sun plz like !