U4 vocab

to stay alive despite difficult conditions

to destroy something (water)

to move to another place

to disappear forever/go extinct

to destroy something

to protect something for the future

to poison and make something bad

to extend and affect a larger area or a bigger group of people

half, partly

• under-

• co-

• re-

• semi-

not enough, below

• under-

• over-

• inter-

• semi-