Answer:
4 km
Explanation:
There are 1.60934 km in a mile
2.5 m * 1.60934 km = 4 km
Phospholipids
The cell membrane is not a solid structure. It is made of millions of smaller molecules that create a flexible and porous container. Proteins and phospholipids make up most of the membrane structure. The phospholipids make the basic bag.
Anwser
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C. Protective over young cubs