Answer:
what does that mean exactly what is the question
Answer:
Alfred Wegener, mainly
Explanation:
The theory of continental drift is most associated with the scientist Alfred Wegener. In the early 20th century, Wegener published a paper explaining his theory that the continental landmasses were “drifting” across the Earth, sometimes plowing through oceans and into each other. He called this movement continental drift.
It goes down.
The level of mercury stops at 7.6 cm because that's where the both pressure come in equillibrium, so if atmospheric pressure decreased, less air particles will force the mercury in the container, and thus the mercury will slide down into the container from the barometer.