Modelează formarea moleculelor de: clor – Cl2, azot – N2, acid clorhidric – HCl, ammoniac – NH3, dioxid de carbon – CO2.

Why is the structure of molecule important to its function?

An animal cell loses the ability to convert energy stored in food to energy that the cell can use. which of the cell's organelles has stopped working? a.the mitochondria b.the nucleus c.the vacuoles d.the endoplasmic reticulum

What produces wave a)sound b) heats c)transfer of energy d)vibrations