Phone, Money, Transportation....
Https://quizlet.com/35691838/unit-5-essay-c-flash-cards/ (found this on quizlet hope this makes sense and/or helps!)
Answer:
A
Explanation:
there is no constant between the rise, however workers today make more money than the past.
I believe it's A. the others one's seem less likely.
Answer:
There are lots of new land being discovered in Africa in about 29 years.
Just compare the maps