When colorless hydrochloric acid is added to a red solution of cobalt nitrate, the solution turns blue. Based on the information above, which of the following is true?

Who did the first work in creating vaccines

Besar shakespeare uses the word vile rather than sharp or bloody to describe the assassins' daggers. this the audience understand daggers hounds, o the importance of alliteration in the play. o the feelings of antony about the men who killed caesar o the animal imagery that follows the description of the dagger o the lethalness of the weapons used to kill caesar

In what way did expansion and global trade during the 15th to 18th centuries affect the economies of european countries