What impact does weathering have on soil formation? *
fast

a. chemical weathering adds chemicals to the soil.
b. rocks are broken down into smaller pieces, and finally into sediment.
c. mechanical weathering adds ice to the soil, which turns into water
d. volcanic eruptions contribute metamorphic rocks to the soil

Why do sodium and neon have vastly different chemical and physical properties despite having similar atomic masses?

Evaluate this exponential expression,8. (2 + 3)2 – 42

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