Answer:
Alfred Wegener proposed the theory of continental drift – the idea that Earth's continents move. Despite publishing a large body of compelling fossil and rock evidence for his theory between 1912 and 1929, it was rejected by most other scientists.
Hope this helps!
Answer:
2
Explanation:
Since it has to be 2H2+02→2H20 for it to be balanced.
The answer would be mesons.
Hope this image helps you! :)