Why do Earth scientists need the principle of uniformitarianism in order to make predictions?

Which theory suggested that the earth was once a signle supercontient that gradually that broke up into the contients that we know today

Which factors add to the greenhouse effect and are caused by human activities?

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?