Mischka is an amateur astronomer. using her telescope, she looks out past the earth’s atmosphere and observes an object with a long, bright, cloud-like tail behind it. what is mischka observing?
a. an asteroid
b. a meteorite
c. a comet
d. a meteoroid

How would i answer this for an exam?

Select the word from the list that best fits the definition of branch of islam that is in iran

What is the difference between the cultures of central asia and the caucasus region? the majority of people in central asia are muslim; the majority in the caucasus region are christian. the primary language in central asia is armenian; the primary language in the caucasus region is russian. central asia has been plagued by ethnic unrest; the caucasus region has had little ethnic conflict. the effects of soviet rule can still be seen in central asia; the caucasus region has developed its own identity since the fall of the ussr.