Someone says "Stars are like the sun, except stars are very tiny." What would you say ?

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

Which part of earth’s surface receives the most direct rays from the sun? a) equator b) ocean c) poles d) mountains

Enzymes affect the reactions in living cells by changing the