Help ASAP! Giving brainliest How did mobile technology change in the twenty-first century?
A. It was replaced by alternatives such as personal computers.
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B. It advanced so that cell phones were reliable and inexpensive.
C. The technology has focused on robotics and productivity.
D. The level of competition has made mobile technology difficult to access

Read the excerpt from "flight into yesterday." the plane reached the end of the runway, and amelia swung it around. home was 7,000 miles away, on the far side of the pacific ocean, and she yearned to be there. but one thing at a time. at this moment her job was to get the plane safely off the ground. the runway stretching ahead was a strip carved out of the jungle. about 3,000 feet long, it ended at a cliff that dropped away into the ocean. amelia pushed both throttles forward. the plane moved slowly, heavy with fuel for the long ocean flight that lay ahead. at last it began to gather speed. it went fast and faster, hurtling toward the cliff. almost at the very edge she felt it leave the ground. they were safely off, flying low over the ocean, but flying. now she could concentrate on gaining altitude. she could start picking out the islands that would serve as landmarks for the early part of the flight. now, read a list that shows a sequence of events based on the excerpt. a. earhart tried to identify places that could guide her. b. the plane moved slowly because it was loaded with fuel. c. the plane moved quickly as it headed toward the cliff. d. earhart turned the plane around on the runway. what is the correct order of events? 1.. a, b, c, d 2.. a, c, b, d 3.. d, b, c, a 4.. d, c, b, a