Pls answerrr

which challenge does canada face in its effort to reduce the use of fossil fuels?

manufacturers refuse to stop using fossil fuels.

there is no interest in developing other fuel sources.

the cost of alternate fuel sources is too high.

fossil fuels are a large industry in the economy.

What is the difference between a journal entry written by an eyewitness to an event and a play written about the same event? a. the journal entry is a historiographical source, while the play is a periodical source. b. the journal entry is a chronological source, while the play is a primary source. c. the journal entry is a primary source, while the play is a secondary source. d. the journal entry is a secondary source, while the play is a periodical source.