Wegener's theory was called
a. plate tectonics
b. seafloor spreading
c. continental drift
d. pangea

Iam pretty sure it is answer c. meep i hope you have a great day ^^

The answer to the first one is barometer.

Benjamin franklin and john adams

If a particular resource is not useful or needed then the price would be considerably low. once that resource is needed the price or value will raise depending on how useful or needed it is especially if the resource is low in quantity, the consumers would pay whatever they have to, to get that material.