Answer:
moving materials in and waste products out
Explanation:
I believe it is A) Nucleus
A Is True Because I Already did this and it was A
The reason why nost scientists thought that the first true cells formed on Earth were anaerobic is being shown in the second option :B. because there was no oxygen on early Earth. Paying attention to this fact scientists discovered that first cells were prokaryotes and greatest part of them created oxygen as a toxic by-product of their own metabolism which make them understand how the planet was provided with oxygen and made a conclusion that first cells were anaerobic.
Hey there!
Carbon is the key element found in co2 and glucose.
Hope this helps!
Have a great day! (: