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.
Yes, Almost ALL cells have the same DNA in a human body. This is because our DNA is inside our Nucleus. DNA is the same in every cell in a human body. Hope this helps! ~
Animal cells are able to move because they do not have a cell wall like a plant does. Hope this helps, good luck!
Sorry if this isn’t right but I believe it’s Protista
"F many scientists conduct the same or similar experiments, and all obtain similar results a 'Scientific Law or Theory' can be written, which is a generally agreed-upon statement that explains and predicts how a natural phenomenon works
