What steps might we as humans take in order to find life on other planets

What does the word submerged mean in the following sentence? after it rained for three days in a row, the streets were completely submerged.

The district of columbia could be eliminated completely if a majority of congress voted in favor of the action. a. true b. false

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?