Answer:
Carbon Dioxide
Explanation:
During cellular respiration, glucose and oxygen are converted into carbon dioxide.
The correct answer to this question is this one: they lacked oxygen. The earliest organisms were completely heterotrophic in nature because of the reason that they lacked oxygen. <span>A heterotroph is an organism that cannot fix carbon and uses organic carbon for growth. </span>
Yes it occurs naturally on everyone :)
<em>here is the answer ,, you can make a decay curve like this example..</em>
The answer is A. Transport of water and minerals to the shoot system
