The cell membrane is not a solid structure. It is made of millions of smaller molecules that create a flexible and porous container.
Explanation:
Human activities such as Smog and Greenhouse gas can weaken the Earth's atmosphere allowing the suns rays to be more powerful when passing through the Atmosphere.
Answer:A and B if one choice only then it is B
Explanation:
D) It showed that the chemicals of life could form in the conditions found on the early earth.
Again, the answer would be the ribosomes