Eukarya
Cell membrane; separates a cell from its environment. ... Both types are found in the same multicellular organism, but one cell type produces many proteins, and the other does not
This is true that the pressure in the mesosphere is so low that a person could not be in this layer without a spacesuit.
The mesosphere is the region of the earth's atmosphere which is above the stratosphere and below the thermosphere. It has a very low temperature and pressure. The top of the mesosphere is the coldest part of Earth's atmosphere.
I think the correct answer from the choices listed above is option C. <span>In the statement above, Pb-206 is known as the daughter while U-238 is the parent. Hope this answers the question. Have a nice day. Feel free to ask more questions.</span>