Which substances pass through a leaf's stomata?
select all that apply
phosphorus
nitrogen
oxygen
water
trace elements
carbon dioxide

There are 6.022 x 10^23 atoms of hg in 1 mole of hg. the number of atoms in 4.5 moles of hg can be found by multiplying 4.5 by 6.022 x 10^23 a. 2.7 x 10^24 b. 27 x 10^23 c. 2.71 x10^24 d. 27.099 x 10^23

Agood hypothesis includes which of the following? a: prediction b: data c: uncertainty d: conclusion

1) this is the structure in the cell nucleus that houses a cell's genetic information