the answer to this question is b, because an almanac is a book that has astronomical information.
The correct answer is B. Almanac
Explanation:
The type of source used to prepare a speech or write a text mainly depends on the type of content that needs to be included. Some of this sources include atlas that is a collection of maps and therefore offer mainly geographical information; periodical which are publications such as magazines, journals and newspapers that can focus on a variety of topics and offer information of different types; newspapers that focus on current events and almanac that is a annual publication with information related to weather and other phenomena such as tide and astronomical events including sun and moon eclipses, also almanacs using multiple graphics including statistics to explain the events and topic included.
Considering this, if you want to give a speech on solar eclipses and you need statistics on the topic the source you could use is an "almanac" because this is the only source that directly deals with astronomical phenomena and therefore it offers information graphics and statistics on solar eclipses.
