I am not sure if you mean carbon dioxide instead of oxygen, since plants take in carbon dioxide from the air and, together with water, convert it into oxygen and sugar. The process is called photosynthesis. There is however also a reaction whereoxygen is used from the air in order to make sugar.
<span>Various insects have a marvelous capacity to protect themselves by simulating the appearance of twigs and other objects in their environment.
we know how to protect ourselves in this environment and we have the ability and capacity to do this. like us various insects also have capacity to protect themselves. There are also some other species who have capacity to protect themselves but everyone have their own way and method to do so.</span>
Homologous or sister chromatids
The answer to this question would be geothermal power.
