Answer:
The answer to your question is: The second option is correct.
Explanation:
Pospholipid bilayer is a thin lipid layer that protects and isolate the cell from the enviroment, also it controls the the entrance of molecules to the cell and ejects wastes. So it is extremely important.
it is not important This could not be the right answer, bilater is very important.
to maintain a proper internal environment I think this is the right answer because among others, membranes mantain a proper internal environment.
to link cells together This option is incorrect, because membranes do not link cells.
Answer: Counterfeit and Forgery.
Explanation:
Over the last 30 years changes have had to be made to the paper currencies due to high rate of counterfeit bills in circulation and forgery.
To detect a Counterfeit dollar bill, the falsified portrait is lifeless and flat. Details, often too dark, do not blend into the background. The Federal Reserve and Treasury seals are simple, distinct, and sharp on a genuine bill. There may be uneven, blunt, or broken on the counterfeit seals.
ovulation
Explanation: ovulation is the release of eggs(ova) from the ovaries is the cycle of change which occurs in female reproductive system for a month.