What was the problem about Wegener’s theory that he wasn’t able to answer?

Theoretically, which metal should be the most reactive? hydrogen lithium francium fluorine

One does not belong why? ice, gold ,wood ,diamond and table salt

Melting and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.