Which invention marks the beginning of mass communication around the globe?
a.
electricity
b.
the internet
c.
telegraph
d.
telephone

Which of these is a successful time management strategy? a. make a schedule and stick to it whatever happens. b. allow enough time to complete the activities you've planned. c. plan for more activities than you can possibly do. d. allow the same amount of time for every activity

Which of the following is characteristic of an ethnic religion? a.) the religion has spread far beyond its hearth. b.) the religion is not focused on a particular region. c.) the religion is centered on the message of a prophet. d.) the religion attempts to appeal to people everywhere. e.) the religion does not actively try to convert others

How do astronomers measure the amount of dark matter in the universe