I think the answer is two
Answer:
um it depends on how much money you have at that point
The reason scientists believe this is that there was basically no oxygen in the atmosphere at this time, which meant that cells needed to be anaerobic to survive,<span> going around the problem of no oxygen in the atmosphere.
Hope this helps.</span>
<span>Items/services that fall under dda authority are :
</span><span>
Unused munitions that are unserviceable, abandoned are removed for disposal
Used munitions transported off-range for disposal</span>