Which part of john dalton’s theory was disproved by j. j. thomson’s cathode-ray tube experiments?

why is arctic sea ice important? arctic sea ice keeps the polar regions cool and moderate global climate. sea ice has a bright surface; 80 percent of the sunlight that strikes it is reflected back into space. as sea ice melts in the summer, it exposes the dark ocean surface.

girl imma just put my comment here because i need a couple point okurrttt