Can someone help with this? Sam was given the following equation to balance: H2O → H2 + O2. She balanced it as follows: 2 HOH2 + O2. What did she do wrong? What is the correct way to balance the equation?​

Compared with the freezing-point depression of a 0.01 m c6h12o6 solution, the freezing-point depression of a 0.01 m nacl solution is

Can someone me with questions 12 and 13 plz.

What method(s) do plants use to obtain nitrogen? select all that apply. absorb it from the atmosphere use bacteria to convert nitrogen to usable form obtain usable nitrogen compounds from the soil absorb nitrogen from water taken in at the roots