D.
Blue litmus paper turns red when placed in a base.
Every cube would contain 1 milliliter of water, or .01 liter
I think convergent but could be wrong
As a wave and also as a particle. This was proposed by Einstain and it is a theory.
<span>A reducing agent loses electrons, so on the left side of the equation N in HNO2 has an oxidation number of +3 and on the right side in NO3^- it has an oxidation number of +5, so it has lost electrons. Thus, the reducing agent would be HNO2.</span>
