The two gasses that make up 99% of the earth's atmosphere are nitrogen and oxygen.
Hope that helped! =)
Answer:
The correct answer is B
Explanation:
The gas particles occupy the entire container that contains them, colliding with the walls of the same, the degree of separation between the particles is large. The gases have no defined shape or volume, are highly compressible
30 chest compressions to 2 rescue breaths
Answer:Margulis
She is the one who discovered it
The correct answer is that "she was suffering from cervical cancer".
Henrietta Lacks was known to be <span>an African-American </span>female<span> whose </span>cancer<span> cells are the </span>source<span> of the HeLa </span>cellular<span> line, </span>the primary<span> immortalized </span>cellular<span> line and </span>one of the most important cellular lines<span> in </span>scientific studies<span>. An immortalized </span>cell<span> line will reproduce indefinitely </span>beneath particular conditions<span>, and the HeLa </span>cell<span> line </span>continues to be<span> a </span>source<span> of </span>helpful clinical records<span> to the </span><span>contemporary</span>
