To feed on.
You do know there's a cool thing called Google, right?
1. Testing only one variable
A controlled variable means its the one that stays the same. In a controlled experiment, it means there is only one manipulated, (changed) variable.
Answer:
Oi what does all of this mean can you please correct the mistakes it makes no sense whatsoever.
<span>it gets replaced by more oceanic crust.
</span>
The one satellite has all the momentum before they connect, and then afterwards they share it.