What is the best way to revise sentence (18)? a) all of the rules and their exceptions need to be remembered by you. b) you will probably need to remember all of the rules and their exceptions. c) you are probably wondering how you will remember all of the rules and their exceptions. d) how all of the rules and their exceptions will be remembered you are probably wondering.

C. "You are probably wondering how you will remember all of the rules and their exceptions."

Explanation:

cabeza de vaca was an spanish explorer and n his long exploration of 11,000.km. from florida to present-day mexico, he went through a series of calamities and setbacks that only added to his deeds. he applied his religious creed with the humanist idea, always current and universal, that all men were equal before god and destiny without any discrimination. as an explorer, he became a slave to the tipinoga, then his shaman pointer, later and after an operation of heart to an indian (from which both came alive) he achieved stardom and became a hero followed by a crowd that professed unusual respect and admiration.

answer: b (host)

viruses use the cells of living organisms to reproduce. the cell which is used by virus is called as "host cell". it is a living cell in which virus multiplies, example bacteria, plant or an animal cell.

in this, the virus is a parasite, which uses host cell for its benefit (reproduction) by using the cell machinary of host cell.