Why is it a physical change to freeze water?(1 point) The new and original substances are different.

A temperature change occurs.

Only a phase change occurs.

Heat is released during the process.

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

Suppose that some of the compound spilled out of the crucible after it was heated. would that cause the percent by mass of water in the compound determined by the experiment to be too low, too high, or unchanged? briefly explain your answer.

The organs inside the body and how they function together