Can someone please help me and thank u

The drawing represents the movement of particles in a substance. what changes of state can this substance undergo

In which of these cases are the two wave points considered to be in phase with each other?

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