What scientist first formally propose that the position of earths continents change over time the continental drift hypothesis

For one week be an inventor and write down ideas for products or services that you think should be produced

Alaina wants to decide whether her current cell phone plan is better than a package that another company offers. to compare the two plans, she plotted two lines on a graph, where y represented the total cost of one month’s service and x represented the megabytes of data that she used in a month. which part of the graph will represent the cost per megabyte of data used in each plan?

An enormous wave generated by an earthquake beneath the seafloor is known as a