Answer:
I am guessing The second Cause only petroleum stay in the top of water
Nitrogen fixation is a process that changes nitrogen within plants and soil into"nitrogen compounds"
Cell membranes protect and organize cells. All cells have an outer plasma membrane that regulates not only what enters the cell, but also how much of any given substance comes in. Unlike prokaryotes, eukaryotic cells also possess internal membranes that encase their organelles and control the exchange of essential cell components. Both types of membranes have a specialized structure that facilitates their gatekeeping function.
The answer is true for this question
This statement <span>''All systems should aim to achieve 99.999-percent up time''</span> is false.
In reality, all systems should aim to achieve an up time of 99.99%
The different between 0.99 and 0.9999 might not seem a lot but if we actually calculate the percentage points it represents and the amount with which we need to improve efficiently, it almost becomes impossible to reach 99.9999% up time.
