Ok i just took this exam the above answer was wrong the real answer should be: More investigations must be completed.
No . it has no life due to the cell theory .
D.
variable-ratio schedule of reinforcement.
A desert biome, because since it can store water it wouldn't need a lot of water to survive, and deserts don't have very much rainfall.
<span>Both photoautotrophs and chemoautotrophs synthesize organic compounds from (inorganic) carbon dioxide, a process known as carbon fixation. Photoautotrophs get the energy to perform these reactions from light. Chemoautotrophs get it from electron donors such as hydrogen sulfide and ammonia. Cyanobacteria, by contrast, convert nitrogen from the atmosphere into ammonia, a process known as nitrogen fixation.</span>
