The levels of organization within an organism are atom, molecule, tissue, and organ system.

a) atomic number; element

b) cell; organ

c) compound; kidney

d) nucleus; membrane

Which is mostly likely why many scientists reject the cold fusion theory

Ineed to find the answer of this question because i dont understand it

Sodium nitrite (nano2) reacted with 2−iodooctane to give a mixture of two constitutionally isomeric compounds of molecular formula c8h17no2 in a combined yield of 88%. draw reasonable structures for these two isomers. click the "draw structure" button to launch the drawing utility. place the two compounds in the appropriate boxes below.