An internal skeleton is used to help an organism hold its body up and keep from falling, while a stem stores nutrients, and produces new living tissue, and transports fluids.
Crassulacean acid metabolism
26% is taken up by ocean sediment. 26% taken by net terrestrial uptake and Human activities, especially conventional farming activities and burning fossil carbon as fuel, have disturbed the carbon cycle's balance, leading to more carbon dioxide being released into the atmosphere than is being taken up by plants
Answer:
O If her data does not support her hypothesis.
Explanation:
If our data doesn't support our hypothesis we should always revise it.
<em>Hope this helped</em><em> </em><em> </em><em>:</em><em>)</em>
Concerning your heart, that's the circulatory system
Your lungs are the respritaory system
