A theory is a set of sentences which is closed to make logical implications.
I believe your answer is B :)
O1:2:1 because they are carbon, hydrogen and oxygen
Is about 3 hours to my understanding
Answer:
The phases of the Moon depend on its position in relation to the Sun and Earth. As the Moon makes its way around the Earth, we see the bright parts of the Moon's surface at different angles.
Explanation: