Answer:
The four elements are oxygen, hydrogen, carbon, nitrogen.
So it will be O A.N2.
Explanation:
They are versatile elements, capable of producing a vast array of chemical compounds, but it also has to do with the fact that they are among the most abundant elements in the universe.
Answer:
Explanation:a
majority of an atom's mass is found its protons and neutrons, subtracting the number of protons (i.e. the atomic number) from the atomic mass will give you the calculated number of neutrons
A industry it’s basically factory’s everything else uses water
To move molecules across the membrane against a gradient
<span>C, The correct answer is Surface, surface waves produced by an earthquake because the waves are mechanical and expand by several means with higher altitudes and waves, and is part of the three main types of primary and secondary seismic waves and are the ones that take longer to arrive.</span>
