The answer is 4 million, there are about 9-10 million unique organic compounds that are known to exist
The sun gives off light energy to help plants photosynthesize and make food
The answer is one dot.
The number of dots an element has represented in the diagram, indicates how many valence eletrons( which is the number of electrons in the most exterior energy level of an atom or ion) the element has. So, 1 valence eletron equals one dot.
