Plasma membrane allows some material to pass through it while on the same time it blocks other material from entering through it.
Here’s your answer hope it helps
Answer: D. 0.20%
Explanation: since a percentage is the same as a hundredth and 100% is the same as one:
Explanation:
0.2× <u>100%</u> = <u>0.2 ×1 00 % = </u>20%
1 1
Answer: really any doctor
Explanation: karyotype tests are done typically during pregnancies, i’m sure a medical facility could do it.
The ozone layer keeps harmful rays from the sun also the atmosphere burns up small deburey from rockets, space trash ex. Also small rocks and particles can get burned before hitting the earth. One of the greatest things is it keeps spefic gasses needed for life like oxygen in the world.