Why do some leaves change color (red, yellow, orange, etc.) in the fall? the chlorophyll molecule breaks down and other pigments
now become visible. the chlorophyll molecule is modified to absorb different wavelengths of light. cold weather denatures the chlorophyll molecule, and it begins to reflect different colors. when leaves die, the chlorophyll molecules are no longer visible?
The chlorophyll breaks down, the green color disappears, and the yellow to orange colors become visible and give the leaves part of their fall splendor. At the same time other chemical changes may occur, which form additional colors through the development of red anthocyanin pigments.
Which two body systems 4 to expel the waste product carbon dioxide ? - Other substances that produce waste include carbohydrates, which produce carbon dioxide and water as waste products. It is the job of the excretory system to rid the body of these wastes. The main organs responsible for many of the excretory functions within humans are the kidneys.
Necessary because it keeps heat in and keeps the planet at the right temperature for life. It can harm the planet if more pollution occurs and the greenhouse gas effect traps too much heat and causes global warming