3 years ago

HELP ASAP!!!!!!! PLEASE WILL GIVE BRAINLIEST

1 answer:

7 0

Answer: The plasma membrane is called a selectively permeable membrane as it permits the movement of only certain molecules in and out of the cells. Not all molecules are free to diffuse. If plasma membrane ruptures or breaks down then molecules of some substances will freely move in and out of the cells.

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stealth61 [152]

About 20-30 secs to reach its full point

5 0

3 years ago

Which example shows that electromagnetic waves can travel without moving through a specific material (medium)? . . . A.. visible

MrMuchimi

<span>example shows that electromagnetic waves can travel without moving through a specific material is
</span>light passing through a vacuum tube
because it shows that there is no medium
so correct option from above is D
hope it helps

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3 years ago

Find the values of the root mean square translational speed v, molecules in gaseous diatomic oxygen (O2), gaseous carbon dioxide

frez [133]

Answer:

539.19 m/s , 459.83 m/s , 2156.78 m/s

Explanation:

The formula for the rms speed is given by

$v_{rms}=\sqrt{\frac{3RT}{M}}$