Cucumber vines have spring like threads. what use are they​

Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.

Does the number of ions in solution increase, decrease, or remain constant? it continuously decreases. it continuously increases. it decreases at first, then increases. it increases at first, then decreases.

The plant food contains nh4)3po4 what tests would you run to verify the presence of the nh4 ion and the po4 ion