A 2m solution was made by adding a certain amount of NaCl to 1500 g of water. What is the (m/m) mass % of the NaCl?

What three things determine the shape and size of a puddle when water is poured out onto a surface

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

How does the atmosphere to make earth livable? check all that apply. causes the seasons contains oxygen provides warmth creates important nutrients blocks harmful energy from the sun plz like !