7.5 too, its kinda of ratio, 1cm : 1Km to 7.5cm : x
x will be equal 7.5 km
The cell membrane allows substances to enter and leave the cell and gives the cell structure.
SI is a base 10 standardized system. I hope this helped and if not I highly recremend talking to your teacher or a parent.
Answer:
D. One is polar, and one is nonpolar
Explanation:
Answer:
All of the above----------
