Choose the letter A, B, C or D the word that has the underlined part different from others.

• affect

• algae

• aquatic

• perm anent

Choose the letter A, B, C or D the word that has the underlined part different from others.

• school

• cholera

• chemistry 

• machine

Choose the letter A, B, C or D the word that has the underlined part different from others.

• litter

• light

• visual

• radiation

Choose the letter A, B, C or D the word that has the underlined part different from others.

• radioactive

• pollution

• contaminate

• convey

Choose the letter A, B, C or D the word that has the underlined part different from others.

• billboard

• loss

• cholera

• fox

Choose the letter A, B, C or D the word that has the underlined part different from others.

• earplug

• hear

• pear

• clear

Choose the letter A, B, C or D the word that has the underlined part different from others.

• aquatic

• cause

• effect

• race

Choose the letter A, B, C or D the word that has different stress pattern from others

• pollutant

• untreated

• permanent

• aquatic

Choose the letter A, B, C or D the word that has different stress pattern from others

• affect

• poison

• thermal

• visual

Choose the letter A, B, C or D the word that has different stress pattern from others

• litter

• effect

• earplug

• groundwater