Answer:
2) Cause and effect
Explanation:
Hint: "where their ACTIONS LEAD TO RESULTS"
Conveyances means vehicles or transports. The context clue to help you here is the appositive phrase that lists vehicles.
Vanquish means to defeat or conquer. The context clue here is that the enemy forces "conquered his army instead". This tells us that the duke's goal was what the enemy actually accomplished.
Herpetologist means person who studies reptiles. The context clue here is "studying the reptiles".
*You did not include what is in the drop down list so these might not be exact matches but they should be very close.
Because in 250 million years the Earth might on be only continent <span />
I believe it is option "D.) The flu vaccine is not reliable enough to be worthwhile"
It would have a negative impact on the economy due to people not spending money to have the flu vaccine.
