Author Question: During the Middle Ages, the Chinese used ____________________ to control pests on crops. Fill in ... (Read 107 times)

newbem · **on:** Jul 21, 2018

During the Middle Ages, the Chinese used ___________________ _ to control pests on crops.

Fill in the blank(s) with correct word

Question 2

As far back as 200 B.C., the Romans used an asphalt-like mixture called ___________________ _ to control insects in vineyards.

Fill in the blank(s) with correct word