How do i use this link cutt. ly/zxt1ipy
i downloaded it because 2 people gave it to me for answers and i don't know how to use it after its downloaded and installed

Chen drew a diagram to compare the ways in which different organisms obtain nitrogen. which label belongs to the area marked z?

What is the empirical formula for c4h8o2

Asubstance is held in an open container. its particles move past one another at random speeds but do not leave the container. heat is removed from the system, and the particles slow down. when enough heat is removed, the particles no longer have enough speed to overcome the weak attractive forces between them. when this happens, the substance enters its solid state. the process described above is known as .