Oxygen!
Plants release carbon dioxide, oxygen, and water vapor through their stomata. Oxygen is less needed because water and carbon dioxide can be changed into sugar.
The biomolecules contain l<span>arge, complex molecules.</span>
Answer:
The scientific investigation is the systematic approach of the scientists to answer the questions about the world. It is applied almost all of the theories including the Theory of Natural Selection. Darwin's theory of evolution is a result of scientific investigation. In this theory, they investigate by observing the distribution of species.
