How many atoms of hydrogen does alcohol (2c2h6o) have?

This chart represents the melting point of several substance. what besy explains the high melting point of the salt?

What forms when chemical reactions combine pollution with sunlight?

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